diff --git a/Mapping/Loader/AttributeLoader.php b/Mapping/Loader/AttributeLoader.php
index ddb46716..1284e91e 100644
--- a/Mapping/Loader/AttributeLoader.php
+++ b/Mapping/Loader/AttributeLoader.php
@@ -124,7 +124,7 @@ public function loadClassMetadata(ClassMetadataInterface $classMetadata): bool
             }
 
             $accessorOrMutator = preg_match('/^(get|is|has|set)(.+)$/i', $method->name, $matches);
-            if ($accessorOrMutator) {
+            if ($accessorOrMutator && !ctype_lower($matches[2][0])) {
                 $attributeName = lcfirst($matches[2]);
 
                 if (isset($attributesMetadata[$attributeName])) {
diff --git a/Normalizer/GetSetMethodNormalizer.php b/Normalizer/GetSetMethodNormalizer.php
index 3a398ef3..ec3d7cb1 100644
--- a/Normalizer/GetSetMethodNormalizer.php
+++ b/Normalizer/GetSetMethodNormalizer.php
@@ -87,8 +87,8 @@ private function isGetMethod(\ReflectionMethod $method): bool
         return !$method->isStatic()
             && !($method->getAttributes(Ignore::class) || $method->getAttributes(LegacyIgnore::class))
             && !$method->getNumberOfRequiredParameters()
-            && ((2 < ($methodLength = \strlen($method->name)) && str_starts_with($method->name, 'is'))
-                || (3 < $methodLength && (str_starts_with($method->name, 'has') || str_starts_with($method->name, 'get')))
+            && ((2 < ($methodLength = \strlen($method->name)) && str_starts_with($method->name, 'is') && !ctype_lower($method->name[2]))
+                || (3 < $methodLength && (str_starts_with($method->name, 'has') || str_starts_with($method->name, 'get')) && !ctype_lower($method->name[3]))
             );
     }
 
@@ -100,7 +100,9 @@ private function isSetMethod(\ReflectionMethod $method): bool
         return !$method->isStatic()
             && !$method->getAttributes(Ignore::class)
             && 0 < $method->getNumberOfParameters()
-            && str_starts_with($method->name, 'set');
+            && str_starts_with($method->name, 'set')
+            && !ctype_lower($method->name[3])
+            ;
     }
 
     protected function extractAttributes(object $object, ?string $format = null, array $context = []): array
diff --git a/Normalizer/ObjectNormalizer.php b/Normalizer/ObjectNormalizer.php
index 95d79fa3..4466e742 100644
--- a/Normalizer/ObjectNormalizer.php
+++ b/Normalizer/ObjectNormalizer.php
@@ -88,7 +88,8 @@ protected function extractAttributes(object $object, ?string $format = null, arr
             $name = $reflMethod->name;
             $attributeName = null;
 
-            if (3 < \strlen($name) && match ($name[0]) {
+            // ctype_lower check to find out if method looks like accessor but actually is not, e.g. hash, cancel
+            if (3 < \strlen($name) && !ctype_lower($name[3]) && match ($name[0]) {
                 'g' => str_starts_with($name, 'get'),
                 'h' => str_starts_with($name, 'has'),
                 'c' => str_starts_with($name, 'can'),
@@ -100,7 +101,7 @@ protected function extractAttributes(object $object, ?string $format = null, arr
                 if (!$reflClass->hasProperty($attributeName)) {
                     $attributeName = lcfirst($attributeName);
                 }
-            } elseif ('is' !== $name && str_starts_with($name, 'is')) {
+            } elseif ('is' !== $name && str_starts_with($name, 'is') && !ctype_lower($name[2])) {
                 // issers
                 $attributeName = substr($name, 2);
 
diff --git a/Tests/Fixtures/Attributes/AccessorishGetters.php b/Tests/Fixtures/Attributes/AccessorishGetters.php
new file mode 100644
index 00000000..f434e84f
--- /dev/null
+++ b/Tests/Fixtures/Attributes/AccessorishGetters.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Tests\Fixtures\Attributes;
+
+class AccessorishGetters
+{
+    public function hash(): void
+    {
+    }
+
+    public function cancel()
+    {
+    }
+
+    public function getField1()
+    {
+    }
+
+    public function isField2()
+    {
+    }
+
+    public function hasField3()
+    {
+    }
+
+    public function setField4()
+    {
+    }
+}
diff --git a/Tests/Mapping/Loader/AttributeLoaderTest.php b/Tests/Mapping/Loader/AttributeLoaderTest.php
index a7659550..5a078bf3 100644
--- a/Tests/Mapping/Loader/AttributeLoaderTest.php
+++ b/Tests/Mapping/Loader/AttributeLoaderTest.php
@@ -23,6 +23,7 @@
 use Symfony\Component\Serializer\Tests\Fixtures\Attributes\AbstractDummyFirstChild;
 use Symfony\Component\Serializer\Tests\Fixtures\Attributes\AbstractDummySecondChild;
 use Symfony\Component\Serializer\Tests\Fixtures\Attributes\AbstractDummyThirdChild;
+use Symfony\Component\Serializer\Tests\Fixtures\Attributes\AccessorishGetters;
 use Symfony\Component\Serializer\Tests\Fixtures\Attributes\BadAttributeDummy;
 use Symfony\Component\Serializer\Tests\Fixtures\Attributes\BadMethodContextDummy;
 use Symfony\Component\Serializer\Tests\Fixtures\Attributes\ContextDummyParent;
@@ -229,6 +230,22 @@ public function testLoadWithInvalidAttribute()
         $this->loader->loadClassMetadata($classMetadata);
     }
 
+    public function testIgnoresAccessorishGetters()
+    {
+        $classMetadata = new ClassMetadata(AccessorishGetters::class);
+        $this->loader->loadClassMetadata($classMetadata);
+
+        $attributesMetadata = $classMetadata->getAttributesMetadata();
+
+        self::assertCount(4, $classMetadata->getAttributesMetadata());
+
+        self::assertArrayHasKey('field1', $attributesMetadata);
+        self::assertArrayHasKey('field2', $attributesMetadata);
+        self::assertArrayHasKey('field3', $attributesMetadata);
+        self::assertArrayHasKey('field4', $attributesMetadata);
+        self::assertArrayNotHasKey('h', $attributesMetadata);
+    }
+
     protected function getLoaderForContextMapping(): AttributeLoader
     {
         return $this->loader;
diff --git a/Tests/Normalizer/GetSetMethodNormalizerTest.php b/Tests/Normalizer/GetSetMethodNormalizerTest.php
index 2c30a57b..80788a0d 100644
--- a/Tests/Normalizer/GetSetMethodNormalizerTest.php
+++ b/Tests/Normalizer/GetSetMethodNormalizerTest.php
@@ -521,6 +521,14 @@ public function testNormalizeWithDiscriminator()
         $this->assertSame(['type' => 'one', 'url' => 'URL_ONE'], $normalizer->normalize(new GetSetMethodDiscriminatedDummyOne()));
     }
 
+    public function testNormalizeWithMethodNamesSimilarToAccessors()
+    {
+        $classMetadataFactory = new ClassMetadataFactory(new AttributeLoader());
+        $normalizer = new GetSetMethodNormalizer($classMetadataFactory);
+
+        $this->assertSame(['class' => 'class', 123 => 123], $normalizer->normalize(new GetSetWithAccessorishMethod()));
+    }
+
     public function testDenormalizeWithDiscriminator()
     {
         $classMetadataFactory = new ClassMetadataFactory(new AttributeLoader());
@@ -908,3 +916,46 @@ public function setBar($bar = null, $other = true)
         $this->bar = $bar;
     }
 }
+
+class GetSetWithAccessorishMethod
+{
+    public function cancel()
+    {
+        return 'cancel';
+    }
+
+    public function hash()
+    {
+        return 'hash';
+    }
+
+    public function getClass()
+    {
+        return 'class';
+    }
+
+    public function setClass()
+    {
+    }
+
+    public function get123()
+    {
+        return 123;
+    }
+
+    public function set123()
+    {
+    }
+
+    public function gettings()
+    {
+    }
+
+    public function settings()
+    {
+    }
+
+    public function isolate()
+    {
+    }
+}
diff --git a/Tests/Normalizer/ObjectNormalizerTest.php b/Tests/Normalizer/ObjectNormalizerTest.php
index ed6a9d3b..600fd7cd 100644
--- a/Tests/Normalizer/ObjectNormalizerTest.php
+++ b/Tests/Normalizer/ObjectNormalizerTest.php
@@ -961,6 +961,24 @@ public function testObjectNormalizerWithAttributeLoaderAndObjectHasStaticPropert
         $normalizer = new ObjectNormalizer(new ClassMetadataFactory(new AttributeLoader()));
         $this->assertSame([], $normalizer->normalize($class));
     }
+
+    public function testNormalizeWithMethodNamesSimilarToAccessors()
+    {
+        $classMetadataFactory = new ClassMetadataFactory(new AttributeLoader());
+        $normalizer = new ObjectNormalizer($classMetadataFactory);
+
+        $object = new ObjectWithAccessorishMethods();
+        $normalized = $normalizer->normalize($object);
+
+        $this->assertFalse($object->isAccessorishCalled());
+        $this->assertSame([
+            'accessorishCalled' => false,
+            'tell' => true,
+            'class' => true,
+            'responsibility' => true,
+            123 => 321
+        ], $normalized);
+    }
 }
 
 class ProxyObjectDummy extends ObjectDummy
@@ -1243,3 +1261,63 @@ class ObjectDummyWithIgnoreAttributeAndPrivateProperty
 
     private $private = 'private';
 }
+
+class ObjectWithAccessorishMethods
+{
+    private $accessorishCalled = false;
+
+    public function isAccessorishCalled()
+    {
+        return $this->accessorishCalled;
+    }
+
+    public function cancel()
+    {
+        $this->accessorishCalled = true;
+    }
+
+    public function hash()
+    {
+        $this->accessorishCalled = true;
+    }
+
+    public function canTell()
+    {
+        return true;
+    }
+
+    public function getClass()
+    {
+        return true;
+    }
+
+    public function hasResponsibility()
+    {
+        return true;
+    }
+
+    public function get_foo()
+    {
+        return 'bar';
+    }
+
+    public function get123()
+    {
+        return 321;
+    }
+
+    public function gettings()
+    {
+        $this->accessorishCalled = true;
+    }
+
+    public function settings()
+    {
+        $this->accessorishCalled = true;
+    }
+
+    public function isolate()
+    {
+        $this->accessorishCalled = true;
+    }
+}