diff --git a/common/changes/office-ui-fabric-react/huaxi-no-spellcheck-in-picker_2018-12-04-22-21.json b/common/changes/office-ui-fabric-react/huaxi-no-spellcheck-in-picker_2018-12-04-22-21.json
new file mode 100644
index 0000000000000..6b33e01900f30
--- /dev/null
+++ b/common/changes/office-ui-fabric-react/huaxi-no-spellcheck-in-picker_2018-12-04-22-21.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "office-ui-fabric-react",
+      "comment": "spellCheck defaults to false in BasePicker",
+      "type": "patch"
+    }
+  ],
+  "packageName": "office-ui-fabric-react",
+  "email": "huaxi@microsoft.com"
+}
\ No newline at end of file
diff --git a/packages/office-ui-fabric-react/src/components/__snapshots__/PeoplePicker.Types.Example.tsx.shot b/packages/office-ui-fabric-react/src/components/__snapshots__/PeoplePicker.Types.Example.tsx.shot
index 76799c9eeca4f..21aae816de51b 100644
--- a/packages/office-ui-fabric-react/src/components/__snapshots__/PeoplePicker.Types.Example.tsx.shot
+++ b/packages/office-ui-fabric-react/src/components/__snapshots__/PeoplePicker.Types.Example.tsx.shot
@@ -53,6 +53,7 @@ exports[`Component Examples renders PeoplePicker.Types.Example.tsx correctly 1`]
             onInput={[Function]}
             onKeyDown={[Function]}
             role="combobox"
+            spellCheck={false}
             value=""
           />
         </div>
diff --git a/packages/office-ui-fabric-react/src/components/__snapshots__/TagPicker.Basic.Example.tsx.shot b/packages/office-ui-fabric-react/src/components/__snapshots__/TagPicker.Basic.Example.tsx.shot
index 08cac0d5d53fb..56df2d075760f 100644
--- a/packages/office-ui-fabric-react/src/components/__snapshots__/TagPicker.Basic.Example.tsx.shot
+++ b/packages/office-ui-fabric-react/src/components/__snapshots__/TagPicker.Basic.Example.tsx.shot
@@ -208,6 +208,7 @@ exports[`Component Examples renders TagPicker.Basic.Example.tsx correctly 1`] =
             onInput={[Function]}
             onKeyDown={[Function]}
             role="combobox"
+            spellCheck={false}
             value=""
           />
         </div>
@@ -268,6 +269,7 @@ exports[`Component Examples renders TagPicker.Basic.Example.tsx correctly 1`] =
             onInput={[Function]}
             onKeyDown={[Function]}
             role="combobox"
+            spellCheck={false}
             value=""
           />
         </div>
diff --git a/packages/office-ui-fabric-react/src/components/pickers/BasePicker.tsx b/packages/office-ui-fabric-react/src/components/pickers/BasePicker.tsx
index f6fe25f01ac7b..d598270ac25b3 100644
--- a/packages/office-ui-fabric-react/src/components/pickers/BasePicker.tsx
+++ b/packages/office-ui-fabric-react/src/components/pickers/BasePicker.tsx
@@ -205,6 +205,7 @@ export class BasePicker<T, P extends IBasePickerProps<T>> extends BaseComponent<
               </span>
               {this.canAddItems() && (
                 <Autofill
+                  spellCheck={false}
                   {...inputProps as any}
                   className={css('ms-BasePicker-input', styles.pickerInput, inputProps && inputProps.className)}
                   ref={this.input}
diff --git a/packages/office-ui-fabric-react/src/components/pickers/__snapshots__/BasePicker.test.tsx.snap b/packages/office-ui-fabric-react/src/components/pickers/__snapshots__/BasePicker.test.tsx.snap
index 55033f6e51fdd..8d85fe4db8b40 100644
--- a/packages/office-ui-fabric-react/src/components/pickers/__snapshots__/BasePicker.test.tsx.snap
+++ b/packages/office-ui-fabric-react/src/components/pickers/__snapshots__/BasePicker.test.tsx.snap
@@ -51,6 +51,7 @@ exports[`Pickers BasePicker renders BasePicker correctly 1`] = `
           onInput={[Function]}
           onKeyDown={[Function]}
           role="combobox"
+          spellCheck={false}
           value=""
         />
       </div>
@@ -112,6 +113,7 @@ exports[`Pickers BasePicker renders BasePicker with inputProps supply classnames
           onKeyDown={[Function]}
           placeholder="Bitte einen Benutzer angeben..."
           role="combobox"
+          spellCheck={false}
           value=""
         />
       </div>
@@ -171,6 +173,7 @@ exports[`Pickers TagPicker renders TagPicker correctly 1`] = `
           onInput={[Function]}
           onKeyDown={[Function]}
           role="combobox"
+          spellCheck={false}
           value=""
         />
       </div>