diff --git a/docs/Inputs.md b/docs/Inputs.md
index 4881cfaa485..4137e567248 100644
--- a/docs/Inputs.md
+++ b/docs/Inputs.md
@@ -1211,6 +1211,19 @@ import { ArrayInput, SimpleFormIterator, DateInput, TextInput } from 'react-admi
 </ArrayInput>
 ```
 
+Furthermore, if you want to customize the label displayed for each item, you can pass a function to `SimpleFormIterator` via the `getItemLabel` prop.
+
+```jsx
+import { ArrayInput, SimpleFormIterator, DateInput, TextInput } from 'react-admin';
+
+<ArrayInput source="backlinks">
+    <SimpleFormIterator getItemLabel={(index) => `${index + 1}. link`}>
+        <DateInput source="date" />
+        <TextInput source="url" />
+    </SimpleFormIterator>
+</ArrayInput>
+```
+
 **Note**: `SimpleFormIterator` only accepts `Input` components as children. If you want to use some `Fields` instead, you have to use a `<FormDataConsumer>` to get the correct source, as follows:
 
 ```jsx
diff --git a/packages/ra-ui-materialui/src/form/SimpleFormIterator.spec.tsx b/packages/ra-ui-materialui/src/form/SimpleFormIterator.spec.tsx
index 35b6a9c2009..dffb7747cb0 100644
--- a/packages/ra-ui-materialui/src/form/SimpleFormIterator.spec.tsx
+++ b/packages/ra-ui-materialui/src/form/SimpleFormIterator.spec.tsx
@@ -1,15 +1,14 @@
-import { fireEvent, waitFor, getByText } from '@testing-library/react';
-import * as React from 'react';
+import { ThemeProvider } from '@material-ui/core';
+import { createMuiTheme } from '@material-ui/core/styles';
+import { fireEvent, getByText, waitFor } from '@testing-library/react';
 import expect from 'expect';
 import { SaveContextProvider, SideEffectContextProvider } from 'ra-core';
 import { renderWithRedux } from 'ra-test';
-import { ThemeProvider } from '@material-ui/core';
-import { createMuiTheme } from '@material-ui/core/styles';
-
-import SimpleFormIterator from './SimpleFormIterator';
-import TextInput from '../input/TextInput';
+import * as React from 'react';
 import { ArrayInput } from '../input';
+import TextInput from '../input/TextInput';
 import SimpleForm from './SimpleForm';
+import SimpleFormIterator from './SimpleFormIterator';
 
 const theme = createMuiTheme();
 
@@ -499,6 +498,34 @@ describe('<SimpleFormIterator />', () => {
         expect(getByText('Custom Remove Button')).not.toBeNull();
     });
 
+    it('should display custom row label', () => {
+        const { getByText } = renderWithRedux(
+            <ThemeProvider theme={theme}>
+                <SaveContextProvider value={saveContextValue}>
+                    <SideEffectContextProvider value={sideEffectValue}>
+                        <SimpleForm
+                            record={{
+                                id: 'whatever',
+                                emails: [{ email: 'foo' }, { email: 'bar' }],
+                            }}
+                        >
+                            <ArrayInput source="emails">
+                                <SimpleFormIterator
+                                    getItemLabel={index => `3.${index}`}
+                                >
+                                    <TextInput source="email" />
+                                </SimpleFormIterator>
+                            </ArrayInput>
+                        </SimpleForm>
+                    </SideEffectContextProvider>
+                </SaveContextProvider>
+            </ThemeProvider>
+        );
+
+        expect(getByText('3.0')).toBeDefined();
+        expect(getByText('3.1')).toBeDefined();
+    });
+
     it('should call the onClick method when the custom add button is clicked', async () => {
         const onClick = jest.fn();
         const { getByText } = renderWithRedux(
diff --git a/packages/ra-ui-materialui/src/form/SimpleFormIterator.tsx b/packages/ra-ui-materialui/src/form/SimpleFormIterator.tsx
index 1cce3872a7b..f6f9a8a5051 100644
--- a/packages/ra-ui-materialui/src/form/SimpleFormIterator.tsx
+++ b/packages/ra-ui-materialui/src/form/SimpleFormIterator.tsx
@@ -1,27 +1,26 @@
+import Button from '@material-ui/core/Button';
+import FormHelperText from '@material-ui/core/FormHelperText';
+import { makeStyles } from '@material-ui/core/styles';
+import Typography from '@material-ui/core/Typography';
+import AddIcon from '@material-ui/icons/AddCircleOutline';
+import CloseIcon from '@material-ui/icons/RemoveCircleOutline';
+import classNames from 'classnames';
+import get from 'lodash/get';
+import PropTypes from 'prop-types';
+import { Record, useTranslate, ValidationError } from 'ra-core';
 import * as React from 'react';
 import {
     Children,
     cloneElement,
+    FC,
     isValidElement,
-    useRef,
     ReactElement,
-    FC,
+    useRef,
 } from 'react';
-import PropTypes from 'prop-types';
-import { CSSTransition, TransitionGroup } from 'react-transition-group';
-import get from 'lodash/get';
-import Typography from '@material-ui/core/Typography';
-import Button from '@material-ui/core/Button';
-import FormHelperText from '@material-ui/core/FormHelperText';
-import { makeStyles } from '@material-ui/core/styles';
-import CloseIcon from '@material-ui/icons/RemoveCircleOutline';
-import AddIcon from '@material-ui/icons/AddCircleOutline';
-import { useTranslate, ValidationError, Record } from 'ra-core';
-import classNames from 'classnames';
 import { FieldArrayRenderProps } from 'react-final-form-arrays';
-
-import FormInput from './FormInput';
+import { CSSTransition, TransitionGroup } from 'react-transition-group';
 import { ClassesOverride } from '../types';
+import FormInput from './FormInput';
 
 const useStyles = makeStyles(
     theme => ({
@@ -83,6 +82,8 @@ const DefaultAddButton = props => {
     );
 };
 
+const DefaultLabelFn = index => index + 1;
+
 const DefaultRemoveButton = props => {
     const classes = useStyles(props);
     const translate = useTranslate();
@@ -113,6 +114,7 @@ const SimpleFormIterator: FC<SimpleFormIteratorProps> = props => {
         margin,
         TransitionProps,
         defaultValue,
+        getItemLabel = DefaultLabelFn,
     } = props;
     const classes = useStyles(props);
     const nodeRef = useRef(null);
@@ -197,7 +199,7 @@ const SimpleFormIterator: FC<SimpleFormIteratorProps> = props => {
                                 variant="body1"
                                 className={classes.index}
                             >
-                                {index + 1}
+                                {getItemLabel(index)}
                             </Typography>
                             <section className={classes.form}>
                                 {Children.map(
@@ -326,6 +328,7 @@ export interface SimpleFormIteratorProps
     disabled?: boolean;
     disableAdd?: boolean;
     disableRemove?: boolean | DisableRemoveFunction;
+    getItemLabel?: (index: number) => string;
     margin?: 'none' | 'normal' | 'dense';
     meta?: {
         // the type defined in FieldArrayRenderProps says error is boolean, which is wrong.