diff --git a/packages/flutter/lib/src/material/input_decorator.dart b/packages/flutter/lib/src/material/input_decorator.dart
index 7cdf684673..a63463b35d 100644
--- a/packages/flutter/lib/src/material/input_decorator.dart
+++ b/packages/flutter/lib/src/material/input_decorator.dart
@@ -2249,31 +2249,35 @@ class _InputDecoratorState extends State<InputDecorator> with TickerProviderStat
     final String? hintText = decoration.hintText;
     final bool maintainHintHeight = decoration.maintainHintHeight;
     Widget? hint;
-    if (hintText != null) {
+    if (decoration.hint != null || hintText != null) {
+      final Widget hintWidget =
+          decoration.hint ??
+          Text(
+            hintText!,
+            style: hintStyle,
+            textDirection: decoration.hintTextDirection,
+            overflow:
+                hintStyle.overflow ??
+                (decoration.hintMaxLines == null ? null : TextOverflow.ellipsis),
+            textAlign: textAlign,
+            maxLines: decoration.hintMaxLines,
+          );
       final bool showHint = isEmpty && !_hasInlineLabel;
-      final Text hintTextWidget = Text(
-        hintText,
-        style: hintStyle,
-        textDirection: decoration.hintTextDirection,
-        overflow:
-            hintStyle.overflow ?? (decoration.hintMaxLines == null ? null : TextOverflow.ellipsis),
-        textAlign: textAlign,
-        maxLines: decoration.hintMaxLines,
-      );
       hint =
           maintainHintHeight
               ? AnimatedOpacity(
                 opacity: showHint ? 1.0 : 0.0,
                 duration: decoration.hintFadeDuration ?? _kHintFadeTransitionDuration,
                 curve: _kTransitionCurve,
-                child: hintTextWidget,
+                child: hintWidget,
               )
               : AnimatedSwitcher(
                 duration: decoration.hintFadeDuration ?? _kHintFadeTransitionDuration,
                 transitionBuilder: _buildTransition,
-                child: showHint ? hintTextWidget : const SizedBox.shrink(),
+                child: showHint ? hintWidget : const SizedBox.shrink(),
               );
     }
+
     InputBorder? border;
     if (!decoration.enabled) {
       border = _hasError ? decoration.errorBorder : decoration.disabledBorder;
@@ -2695,6 +2699,7 @@ class InputDecoration {
     this.helperStyle,
     this.helperMaxLines,
     this.hintText,
+    this.hint,
     this.hintStyle,
     this.hintTextDirection,
     this.hintMaxLines,
@@ -2742,6 +2747,10 @@ class InputDecoration {
          !(label != null && labelText != null),
          'Declaring both label and labelText is not supported.',
        ),
+       assert(
+         hint == null || hintText == null,
+         'Declaring both hint and hintText is not supported.',
+       ),
        assert(
          !(helper != null && helperText != null),
          'Declaring both helper and helperText is not supported.',
@@ -2781,6 +2790,7 @@ class InputDecoration {
     )
     FloatingLabelAlignment? floatingLabelAlignment,
     this.hintStyle,
+    this.hint,
     this.hintTextDirection,
     this.hintMaxLines,
     this.hintFadeDuration,
@@ -3019,6 +3029,11 @@ class InputDecoration {
   /// or (b) the input has the focus.
   final String? hintText;
 
+  /// The widget to use in place of the [hintText].
+  ///
+  /// Either [hintText] or [hint] can be specified, but not both.
+  final Widget? hint;
+
   /// The style to use for the [hintText].
   ///
   /// If [hintStyle] is a [WidgetStateTextStyle], then the effective
@@ -3743,6 +3758,7 @@ class InputDecoration {
     TextStyle? helperStyle,
     int? helperMaxLines,
     String? hintText,
+    Widget? hint,
     TextStyle? hintStyle,
     TextDirection? hintTextDirection,
     Duration? hintFadeDuration,
@@ -3799,6 +3815,7 @@ class InputDecoration {
       helperStyle: helperStyle ?? this.helperStyle,
       helperMaxLines: helperMaxLines ?? this.helperMaxLines,
       hintText: hintText ?? this.hintText,
+      hint: hint ?? this.hint,
       hintStyle: hintStyle ?? this.hintStyle,
       hintTextDirection: hintTextDirection ?? this.hintTextDirection,
       hintMaxLines: hintMaxLines ?? this.hintMaxLines,
@@ -3908,6 +3925,7 @@ class InputDecoration {
         other.helperStyle == helperStyle &&
         other.helperMaxLines == helperMaxLines &&
         other.hintText == hintText &&
+        other.hint == hint &&
         other.hintStyle == hintStyle &&
         other.hintTextDirection == hintTextDirection &&
         other.hintMaxLines == hintMaxLines &&
@@ -3967,6 +3985,7 @@ class InputDecoration {
       helperStyle,
       helperMaxLines,
       hintText,
+      hint,
       hintStyle,
       hintTextDirection,
       hintMaxLines,
@@ -4026,6 +4045,7 @@ class InputDecoration {
       if (helperText != null) 'helperText: "$helperText"',
       if (helperMaxLines != null) 'helperMaxLines: "$helperMaxLines"',
       if (hintText != null) 'hintText: "$hintText"',
+      if (hint != null) 'hint: $hint',
       if (hintMaxLines != null) 'hintMaxLines: "$hintMaxLines"',
       if (hintFadeDuration != null) 'hintFadeDuration: "$hintFadeDuration"',
       if (!maintainHintHeight) 'maintainHintHeight: false',
diff --git a/packages/flutter/test/material/input_decorator_test.dart b/packages/flutter/test/material/input_decorator_test.dart
index 15d7b683db..d77d99001f 100644
--- a/packages/flutter/test/material/input_decorator_test.dart
+++ b/packages/flutter/test/material/input_decorator_test.dart
@@ -4684,6 +4684,26 @@ void main() {
       });
     });
 
+    testWidgets('InputDecorator throws Assertion Error when hint and hintText are provided', (
+      WidgetTester tester,
+    ) async {
+      expect(() {
+        buildInputDecorator(
+          decoration: InputDecoration(
+            hintText: 'Enter text here',
+            hint: const Text('Enter text here', style: TextStyle(fontSize: 20.0)),
+          ),
+        );
+      }, throwsAssertionError);
+    });
+
+    testWidgets('InputDecorator shows hint widget', (WidgetTester tester) async {
+      await tester.pumpWidget(
+        buildInputDecorator(decoration: const InputDecoration(hint: Text('hint'))),
+      );
+      expect(find.text('hint'), findsOneWidget);
+    });
+
     testWidgets('hint style overflow works', (WidgetTester tester) async {
       final String hintText = 'hint text' * 20;
       const TextStyle hintStyle = TextStyle(fontSize: 14.0, overflow: TextOverflow.fade);