diff --git a/Libraries/Components/TextInput/RCTTextInputViewConfig.js b/Libraries/Components/TextInput/RCTTextInputViewConfig.js
index ee479389c8162e..d757e17c5b02cd 100644
--- a/Libraries/Components/TextInput/RCTTextInputViewConfig.js
+++ b/Libraries/Components/TextInput/RCTTextInputViewConfig.js
@@ -141,6 +141,7 @@ const RCTTextInputViewConfig = {
     autoCapitalize: true,
     keyboardAppearance: true,
     passwordRules: true,
+    grammarCheck: true, // TODO(macOS GH#774)
     spellCheck: true,
     selectTextOnFocus: true,
     text: true,
diff --git a/Libraries/Components/TextInput/TextInput.js b/Libraries/Components/TextInput/TextInput.js
index 913af59001c817..bd9f8cbd11b394 100644
--- a/Libraries/Components/TextInput/TextInput.js
+++ b/Libraries/Components/TextInput/TextInput.js
@@ -303,6 +303,14 @@ type IOSProps = $ReadOnly<{|
    */
   scrollEnabled?: ?boolean,
 
+  // [TODO(macOS GH#774)
+  /**
+   * If `false`, disables grammar-check.
+   * @platform macOS
+   */
+  grammarCheck?: ?boolean,
+  // ]TODO(macOS GH#774)
+
   /**
    * If `false`, disables spell-check style (i.e. red underlines).
    * The default value is inherited from `autoCorrect`.
diff --git a/Libraries/Text/TextInput/RCTBaseTextInputViewManager.m b/Libraries/Text/TextInput/RCTBaseTextInputViewManager.m
index fb39d14f1ffa10..eceea1b08ffc4b 100644
--- a/Libraries/Text/TextInput/RCTBaseTextInputViewManager.m
+++ b/Libraries/Text/TextInput/RCTBaseTextInputViewManager.m
@@ -48,6 +48,7 @@ @implementation RCTBaseTextInputViewManager
 RCT_REMAP_NOT_OSX_VIEW_PROPERTY(returnKeyType, backedTextInputView.returnKeyType, UIReturnKeyType) // TODO(macOS GH#774)
 RCT_REMAP_NOT_OSX_VIEW_PROPERTY(selectionColor, backedTextInputView.tintColor, UIColor) // TODO(macOS GH#774)
 RCT_REMAP_OSX_VIEW_PROPERTY(selectionColor, backedTextInputView.selectionColor, UIColor) // TODO(macOS GH#774)
+RCT_REMAP_OSX_VIEW_PROPERTY(grammarCheck, backedTextInputView.grammarCheckingEnabled, BOOL) // TODO(macOS GH#774)
 RCT_REMAP_NOT_OSX_VIEW_PROPERTY(spellCheck, backedTextInputView.spellCheckingType, UITextSpellCheckingType) // TODO(macOS GH#774)
 RCT_REMAP_OSX_VIEW_PROPERTY(spellCheck, backedTextInputView.continuousSpellCheckingEnabled, BOOL) // TODO(macOS GH#774)
 RCT_REMAP_NOT_OSX_VIEW_PROPERTY(caretHidden, backedTextInputView.caretHidden, BOOL) // TODO(macOS GH#774)
diff --git a/Libraries/Text/TextInput/Singleline/RCTUITextField.h b/Libraries/Text/TextInput/Singleline/RCTUITextField.h
index 6cd3c2170381bd..abbae748ea1e4c 100644
--- a/Libraries/Text/TextInput/Singleline/RCTUITextField.h
+++ b/Libraries/Text/TextInput/Singleline/RCTUITextField.h
@@ -55,6 +55,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, getter=isAutomaticTextReplacementEnabled) BOOL automaticTextReplacementEnabled;
 @property (nonatomic, getter=isAutomaticSpellingCorrectionEnabled) BOOL automaticSpellingCorrectionEnabled;
 @property (nonatomic, getter=isContinuousSpellCheckingEnabled) BOOL continuousSpellCheckingEnabled;
+@property (nonatomic, getter=isGrammarCheckingEnabled) BOOL grammarCheckingEnabled;
 @property (nonatomic, assign) BOOL enableFocusRing;
 @property (nonatomic, strong, nullable) RCTUIColor *selectionColor;
 @property (weak, nullable) id<RCTUITextFieldDelegate> delegate;
diff --git a/Libraries/Text/TextInput/Singleline/RCTUITextField.m b/Libraries/Text/TextInput/Singleline/RCTUITextField.m
index 7c4aaf1a874dd5..8823b62018f48f 100644
--- a/Libraries/Text/TextInput/Singleline/RCTUITextField.m
+++ b/Libraries/Text/TextInput/Singleline/RCTUITextField.m
@@ -27,6 +27,7 @@ @interface RCTUITextFieldCell : NSTextFieldCell
 @property (nonatomic, getter=isAutomaticTextReplacementEnabled) BOOL automaticTextReplacementEnabled;
 @property (nonatomic, getter=isAutomaticSpellingCorrectionEnabled) BOOL automaticSpellingCorrectionEnabled;
 @property (nonatomic, getter=isContinuousSpellCheckingEnabled) BOOL continuousSpellCheckingEnabled;
+@property (nonatomic, getter=isGrammarCheckingEnabled) BOOL grammarCheckingEnabled;
 @property (nonatomic, strong, nullable) RCTUIColor *selectionColor;
 
 @end
@@ -72,6 +73,7 @@ - (NSText *)setUpFieldEditorAttributes:(NSText *)textObj
   fieldEditor.automaticSpellingCorrectionEnabled = self.isAutomaticSpellingCorrectionEnabled;
   fieldEditor.automaticTextReplacementEnabled = self.isAutomaticTextReplacementEnabled;
   fieldEditor.continuousSpellCheckingEnabled = self.isContinuousSpellCheckingEnabled;
+  fieldEditor.grammarCheckingEnabled = self.isGrammarCheckingEnabled;
   NSMutableDictionary *selectTextAttributes = fieldEditor.selectedTextAttributes.mutableCopy;
   selectTextAttributes[NSBackgroundColorAttributeName] = self.selectionColor ?: [NSColor selectedControlColor];
 	fieldEditor.selectedTextAttributes = selectTextAttributes;
@@ -208,6 +210,16 @@ - (BOOL)isContinuousSpellCheckingEnabled
   return ((RCTUITextFieldCell*)self.cell).isContinuousSpellCheckingEnabled;
 }
 
+- (void)setGrammarCheckingEnabled:(BOOL)grammarCheckingEnabled
+{
+  ((RCTUITextFieldCell*)self.cell).grammarCheckingEnabled = grammarCheckingEnabled;
+}
+
+- (BOOL)isGrammarCheckingEnabled
+{
+  return ((RCTUITextFieldCell*)self.cell).isGrammarCheckingEnabled;
+}
+
 - (void)setSelectionColor:(RCTUIColor *)selectionColor // TODO(OSS Candidate ISS#2710739)
 {
   ((RCTUITextFieldCell*)self.cell).selectionColor = selectionColor;