diff --git a/extensions/opentelemetry/deployment/src/main/java/io/quarkus/opentelemetry/deployment/exporter/otlp/OtlpExporterProcessor.java b/extensions/opentelemetry/deployment/src/main/java/io/quarkus/opentelemetry/deployment/exporter/otlp/OtlpExporterProcessor.java
index 6859fd1662aa4..ca0f2d9570b46 100644
--- a/extensions/opentelemetry/deployment/src/main/java/io/quarkus/opentelemetry/deployment/exporter/otlp/OtlpExporterProcessor.java
+++ b/extensions/opentelemetry/deployment/src/main/java/io/quarkus/opentelemetry/deployment/exporter/otlp/OtlpExporterProcessor.java
@@ -14,7 +14,9 @@
 
 import io.opentelemetry.sdk.trace.SpanProcessor;
 import io.opentelemetry.sdk.trace.export.SpanExporter;
+import io.quarkus.arc.deployment.AdditionalBeanBuildItem;
 import io.quarkus.arc.deployment.SyntheticBeanBuildItem;
+import io.quarkus.deployment.annotations.BuildProducer;
 import io.quarkus.deployment.annotations.BuildStep;
 import io.quarkus.deployment.annotations.BuildSteps;
 import io.quarkus.deployment.annotations.ExecutionTime;
@@ -23,6 +25,7 @@
 import io.quarkus.opentelemetry.runtime.config.build.exporter.OtlpExporterBuildConfig;
 import io.quarkus.opentelemetry.runtime.config.runtime.OTelRuntimeConfig;
 import io.quarkus.opentelemetry.runtime.config.runtime.exporter.OtlpExporterRuntimeConfig;
+import io.quarkus.opentelemetry.runtime.exporter.otlp.EndUserSpanProcessor;
 import io.quarkus.opentelemetry.runtime.exporter.otlp.LateBoundBatchSpanProcessor;
 import io.quarkus.opentelemetry.runtime.exporter.otlp.OtlpRecorder;
 import io.quarkus.vertx.core.deployment.CoreVertxBuildItem;
@@ -42,6 +45,17 @@ public boolean getAsBoolean() {
         }
     }
 
+    @BuildStep
+    void createEndUserSpanProcessor(
+            BuildProducer<AdditionalBeanBuildItem> buildProducer,
+            OTelBuildConfig otelBuildConfig) {
+        if (otelBuildConfig.traces().eusp().enabled().orElse(Boolean.FALSE)) {
+            buildProducer.produce(
+                    AdditionalBeanBuildItem.unremovableOf(
+                            EndUserSpanProcessor.class));
+        }
+    }
+
     @SuppressWarnings("deprecation")
     @BuildStep
     @Record(ExecutionTime.RUNTIME_INIT)
diff --git a/extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/config/build/EndUserSpanProcessorConfig.java b/extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/config/build/EndUserSpanProcessorConfig.java
new file mode 100644
index 0000000000000..3a9d988406c91
--- /dev/null
+++ b/extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/config/build/EndUserSpanProcessorConfig.java
@@ -0,0 +1,24 @@
+package io.quarkus.opentelemetry.runtime.config.build;
+
+import java.util.Optional;
+
+import io.quarkus.runtime.annotations.ConfigGroup;
+import io.smallrye.config.WithDefault;
+
+/**
+ * Tracing build time configuration
+ */
+@ConfigGroup
+public interface EndUserSpanProcessorConfig {
+
+    /**
+     * Enable the {@link io.quarkus.opentelemetry.runtime.exporter.otlp.EndUserSpanProcessor}.
+     * <p>
+     * The {@link io.quarkus.opentelemetry.runtime.exporter.otlp.EndUserSpanProcessor} adds
+     * the {@link io.opentelemetry.semconv.trace.attributes.SemanticAttributes.ENDUSER_ID}
+     * and {@link io.opentelemetry.semconv.trace.attributes.SemanticAttributes.ENDUSER_ROLE} to the Span.
+     */
+    @WithDefault("false")
+    Optional<Boolean> enabled();
+
+}
diff --git a/extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/config/build/TracesBuildConfig.java b/extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/config/build/TracesBuildConfig.java
index 1c53611a14f1a..2bbe78e10fbf1 100644
--- a/extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/config/build/TracesBuildConfig.java
+++ b/extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/config/build/TracesBuildConfig.java
@@ -51,4 +51,9 @@ public interface TracesBuildConfig {
      */
     @WithDefault(SamplerType.Constants.PARENT_BASED_ALWAYS_ON)
     String sampler();
+
+    /**
+     * EndUser SpanProcessor configurations.
+     */
+    EndUserSpanProcessorConfig eusp();
 }
diff --git a/extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/exporter/otlp/EndUserSpanProcessor.java b/extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/exporter/otlp/EndUserSpanProcessor.java
new file mode 100644
index 0000000000000..c30223f8a737b
--- /dev/null
+++ b/extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/exporter/otlp/EndUserSpanProcessor.java
@@ -0,0 +1,54 @@
+package io.quarkus.opentelemetry.runtime.exporter.otlp;
+
+import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.enterprise.context.control.ActivateRequestContext;
+import jakarta.inject.Inject;
+
+import org.eclipse.microprofile.context.ManagedExecutor;
+
+import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.context.Context;
+import io.opentelemetry.sdk.trace.ReadWriteSpan;
+import io.opentelemetry.sdk.trace.ReadableSpan;
+import io.opentelemetry.sdk.trace.SpanProcessor;
+import io.opentelemetry.semconv.trace.attributes.SemanticAttributes;
+import io.quarkus.security.identity.SecurityIdentity;
+
+@ApplicationScoped
+public class EndUserSpanProcessor implements SpanProcessor {
+
+    @Inject
+    protected SecurityIdentity securityIdentity;
+
+    @Inject
+    protected ManagedExecutor managedExecutor;
+
+    @Override
+    @ActivateRequestContext
+    public void onStart(Context parentContext, ReadWriteSpan span) {
+        managedExecutor.execute(
+                () -> span.setAllAttributes(
+                        securityIdentity.isAnonymous()
+                                ? Attributes.empty()
+                                : Attributes.of(
+                                        SemanticAttributes.ENDUSER_ID,
+                                        securityIdentity.getPrincipal().getName(),
+                                        SemanticAttributes.ENDUSER_ROLE,
+                                        securityIdentity.getRoles().toString())));
+    }
+
+    @Override
+    public boolean isStartRequired() {
+        return Boolean.TRUE;
+    }
+
+    @Override
+    public void onEnd(ReadableSpan span) {
+    }
+
+    @Override
+    public boolean isEndRequired() {
+        return Boolean.FALSE;
+    }
+
+}
diff --git a/integration-tests/opentelemetry/pom.xml b/integration-tests/opentelemetry/pom.xml
index 46a8d7067a58e..5cc86d32fe9db 100644
--- a/integration-tests/opentelemetry/pom.xml
+++ b/integration-tests/opentelemetry/pom.xml
@@ -40,6 +40,12 @@
             <groupId>io.smallrye.reactive</groupId>
             <artifactId>smallrye-mutiny-vertx-web-client</artifactId>
         </dependency>
+        
+        <!-- Security -->
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-security</artifactId>
+        </dependency>
 
         <!-- Needed for InMemorySpanExporter to verify captured traces -->
         <dependency>
@@ -53,6 +59,11 @@
             <artifactId>quarkus-junit5</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-test-security</artifactId>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>io.rest-assured</groupId>
             <artifactId>rest-assured</artifactId>
@@ -117,6 +128,19 @@
                 </exclusion>
             </exclusions>
         </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-security-deployment</artifactId>
+            <version>${project.version}</version>
+            <type>pom</type>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>*</groupId>
+                    <artifactId>*</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/AbstractEndUserTest.java b/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/AbstractEndUserTest.java
new file mode 100644
index 0000000000000..f687364936d60
--- /dev/null
+++ b/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/AbstractEndUserTest.java
@@ -0,0 +1,66 @@
+package io.quarkus.it.opentelemetry;
+
+import static io.restassured.RestAssured.given;
+import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.awaitility.Awaitility.await;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.List;
+import java.util.function.Predicate;
+
+import jakarta.enterprise.inject.Instance;
+import jakarta.inject.Inject;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.sdk.testing.exporter.InMemorySpanExporter;
+import io.opentelemetry.sdk.trace.data.SpanData;
+import io.quarkus.it.opentelemetry.util.EndUserResource;
+import io.quarkus.opentelemetry.runtime.exporter.otlp.EndUserSpanProcessor;
+import io.quarkus.test.common.http.TestHTTPEndpoint;
+import io.quarkus.test.security.TestSecurity;
+
+@TestHTTPEndpoint(EndUserResource.class)
+@TestSecurity(user = "testUser", roles = { "admin", "user" })
+public abstract class AbstractEndUserTest {
+
+    @Inject
+    InMemorySpanExporter inMemorySpanExporter;
+
+    @Inject
+    Instance<EndUserSpanProcessor> endUserSpanProcessor;
+
+    protected final Predicate<Instance<EndUserSpanProcessor>> injectionPredicate;
+
+    public AbstractEndUserTest(Predicate<Instance<EndUserSpanProcessor>> predicate) {
+        this.injectionPredicate = predicate;
+    }
+
+    @BeforeEach
+    @AfterEach
+    protected void reset() {
+        inMemorySpanExporter.reset();
+    }
+
+    protected List<SpanData> getSpans() {
+        return inMemorySpanExporter.getFinishedSpanItems();
+    }
+
+    protected abstract void evaluateAttributes(Attributes attributes);
+
+    @Test
+    protected void baseTest() {
+        assertTrue(this.injectionPredicate.test(endUserSpanProcessor));
+        given()
+                .when().get()
+                .then()
+                .statusCode(200);
+        await().atMost(5, SECONDS).until(() -> getSpans().size() == 1);
+        SpanData spanData = getSpans().get(0);
+        evaluateAttributes(spanData.getAttributes());
+    }
+
+}
diff --git a/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/EndUserDisabledTest.java b/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/EndUserDisabledTest.java
new file mode 100644
index 0000000000000..2fe83999e1c9e
--- /dev/null
+++ b/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/EndUserDisabledTest.java
@@ -0,0 +1,23 @@
+package io.quarkus.it.opentelemetry;
+
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+import jakarta.enterprise.inject.Instance;
+
+import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.semconv.trace.attributes.SemanticAttributes;
+import io.quarkus.test.junit.QuarkusTest;
+
+@QuarkusTest
+public class EndUserDisabledTest extends AbstractEndUserTest {
+
+    public EndUserDisabledTest() {
+        super(Instance::isUnsatisfied);
+    }
+
+    @Override
+    protected void evaluateAttributes(Attributes attributes) {
+        assertNull(attributes.get(SemanticAttributes.ENDUSER_ID));
+        assertNull(attributes.get(SemanticAttributes.ENDUSER_ROLE));
+    }
+}
diff --git a/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/EndUserEnabledTest.java b/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/EndUserEnabledTest.java
new file mode 100644
index 0000000000000..965b7ddd0c166
--- /dev/null
+++ b/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/EndUserEnabledTest.java
@@ -0,0 +1,26 @@
+package io.quarkus.it.opentelemetry;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import jakarta.enterprise.inject.Instance;
+
+import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.semconv.trace.attributes.SemanticAttributes;
+import io.quarkus.it.opentelemetry.util.EndUserProfile;
+import io.quarkus.test.junit.QuarkusTest;
+import io.quarkus.test.junit.TestProfile;
+
+@QuarkusTest
+@TestProfile(EndUserProfile.class)
+public class EndUserEnabledTest extends AbstractEndUserTest {
+
+    public EndUserEnabledTest() {
+        super(Instance::isResolvable);
+    }
+
+    @Override
+    protected void evaluateAttributes(Attributes attributes) {
+        assertEquals(attributes.get(SemanticAttributes.ENDUSER_ID), "testUser");
+        assertEquals(attributes.get(SemanticAttributes.ENDUSER_ROLE), "[admin, user]");
+    }
+}
diff --git a/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/util/EndUserProfile.java b/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/util/EndUserProfile.java
new file mode 100644
index 0000000000000..f0962667964b3
--- /dev/null
+++ b/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/util/EndUserProfile.java
@@ -0,0 +1,15 @@
+package io.quarkus.it.opentelemetry.util;
+
+import java.util.Map;
+
+import io.quarkus.test.junit.QuarkusTestProfile;
+
+public class EndUserProfile implements QuarkusTestProfile {
+
+    @Override
+    public Map<String, String> getConfigOverrides() {
+        return Map.of(
+                "quarkus.otel.traces.eusp.enabled", "true");
+    }
+
+}
diff --git a/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/util/EndUserResource.java b/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/util/EndUserResource.java
new file mode 100644
index 0000000000000..490012212d6d9
--- /dev/null
+++ b/integration-tests/opentelemetry/src/test/java/io/quarkus/it/opentelemetry/util/EndUserResource.java
@@ -0,0 +1,17 @@
+package io.quarkus.it.opentelemetry.util;
+
+import jakarta.enterprise.context.RequestScoped;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.core.Response;
+
+@Path("/otel/enduser")
+@RequestScoped
+public class EndUserResource {
+
+    @GET
+    public Response dummy() {
+        return Response.ok().build();
+    }
+
+}