diff --git a/.changelog/17046.txt b/.changelog/17046.txt
new file mode 100644
index 00000000000..6ddffe5743a
--- /dev/null
+++ b/.changelog/17046.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+data-source/aws_ec2_coip_pool: Add `arn` attribute
+```
\ No newline at end of file
diff --git a/aws/data_source_aws_ec2_coip_pool.go b/aws/data_source_aws_ec2_coip_pool.go
index 703fe13b73f..769ccf9da48 100644
--- a/aws/data_source_aws_ec2_coip_pool.go
+++ b/aws/data_source_aws_ec2_coip_pool.go
@@ -34,6 +34,11 @@ func dataSourceAwsEc2CoipPool() *schema.Resource {
 				Computed: true,
 			},
 
+			"arn": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+
 			"tags": tagsSchemaComputed(),
 
 			"filter": ec2CustomFiltersSchema(),
@@ -90,6 +95,7 @@ func dataSourceAwsEc2CoipPoolRead(d *schema.ResourceData, meta interface{}) erro
 	d.SetId(aws.StringValue(coip.PoolId))
 
 	d.Set("local_gateway_route_table_id", coip.LocalGatewayRouteTableId)
+	d.Set("arn", coip.PoolArn)
 
 	if err := d.Set("pool_cidrs", aws.StringValueSlice(coip.PoolCidrs)); err != nil {
 		return fmt.Errorf("error setting pool_cidrs: %s", err)
diff --git a/aws/data_source_aws_ec2_coip_pool_test.go b/aws/data_source_aws_ec2_coip_pool_test.go
index 9cb93025c89..d082478b980 100644
--- a/aws/data_source_aws_ec2_coip_pool_test.go
+++ b/aws/data_source_aws_ec2_coip_pool_test.go
@@ -38,6 +38,7 @@ func TestAccDataSourceAwsEc2CoipPool_Id(t *testing.T) {
 				Check: resource.ComposeTestCheckFunc(
 					resource.TestMatchResourceAttr(dataSourceName, "local_gateway_route_table_id", regexp.MustCompile(`^lgw-rtb-`)),
 					resource.TestMatchResourceAttr(dataSourceName, "pool_id", regexp.MustCompile(`^ipv4pool-coip-`)),
+					testAccMatchResourceAttrRegionalARN(dataSourceName, "arn", "ec2", regexp.MustCompile(`coip-pool/ipv4pool-coip-.+$`)),
 					testCheckResourceAttrGreaterThanValue(dataSourceName, "pool_cidrs.#", "0"),
 				),
 			},
diff --git a/website/docs/d/ec2_coip_pool.html.markdown b/website/docs/d/ec2_coip_pool.html.markdown
index 0114b780009..57158dc887b 100644
--- a/website/docs/d/ec2_coip_pool.html.markdown
+++ b/website/docs/d/ec2_coip_pool.html.markdown
@@ -55,6 +55,7 @@ result attributes. This data source will complete the data by populating
 any fields that are not included in the configuration with the data for
 the selected COIP Pool.
 
-The following attribute is additionally exported:
+In addition, the following attributes are exported:
 
+* `arn` - ARN of the COIP pool
 * `pool_cidrs` - Set of CIDR blocks in pool