Index: clang-tidy/objc/PropertyDeclarationCheck.cpp
===================================================================
--- clang-tidy/objc/PropertyDeclarationCheck.cpp
+++ clang-tidy/objc/PropertyDeclarationCheck.cpp
@@ -235,9 +235,9 @@
   auto *DeclContext = MatchedDecl->getDeclContext();
   auto *CategoryDecl = llvm::dyn_cast<ObjCCategoryDecl>(DeclContext);
 
-  auto AcronymsRegex =
-      llvm::Regex("^" + AcronymsGroupRegex(EscapedAcronyms) + "$");
-  if (AcronymsRegex.match(MatchedDecl->getName())) {
+  auto SingleAcronymRegex =
+      llvm::Regex("^([a-zA-Z]+_)?" + AcronymsGroupRegex(EscapedAcronyms) + "$");
+  if (SingleAcronymRegex.match(MatchedDecl->getName())) {
     return;
   }
   if (CategoryDecl != nullptr &&
Index: test/clang-tidy/objc-property-declaration.m
===================================================================
--- test/clang-tidy/objc-property-declaration.m
+++ test/clang-tidy/objc-property-declaration.m
@@ -38,9 +38,10 @@
 // CHECK-MESSAGES: :[[@LINE-1]]:34: warning: property name 'wrongFormat_' not using lowerCamelCase style or not prefixed in a category, according to the Apple Coding Guidelines [objc-property-declaration]
 @property(strong, nonatomic) NSString *URLStr;
 @property(assign, nonatomic) int abc_camelCase;
+@property(strong, nonatomic) NSString *abc_URL;
 @end
 
 @interface Foo ()
 @property(assign, nonatomic) int abc_inClassExtension;
 // CHECK-MESSAGES: :[[@LINE-1]]:34: warning: property name 'abc_inClassExtension' not using lowerCamelCase style or not prefixed in a category, according to the Apple Coding Guidelines [objc-property-declaration]
 @end
\ No newline at end of file