diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/serializer.php b/src/Symfony/Bundle/FrameworkBundle/Resources/config/serializer.php
index a0c5be34b9..5f02d765f9 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Resources/config/serializer.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Resources/config/serializer.php
@@ -44,6 +44,7 @@ use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
 use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
 use Symfony\Component\Serializer\Normalizer\ProblemNormalizer;
 use Symfony\Component\Serializer\Normalizer\PropertyNormalizer;
+use Symfony\Component\Serializer\Normalizer\UidNormalizer;
 use Symfony\Component\Serializer\Normalizer\UnwrappingDenormalizer;
 use Symfony\Component\Serializer\Serializer;
 use Symfony\Component\Serializer\SerializerInterface;
@@ -106,6 +107,9 @@ return static function (ContainerConfigurator $container) {
             ->args([service('serializer.property_accessor')])
             ->tag('serializer.normalizer', ['priority' => 1000])
 
+        ->set('serializer.normalizer.uid', UidNormalizer::class)
+            ->tag('serializer.normalizer', ['priority' => -915])
+
         ->set('serializer.normalizer.object', ObjectNormalizer::class)
             ->args([
                 service('serializer.mapping.class_metadata_factory'),
diff --git a/src/Symfony/Component/Serializer/CHANGELOG.md b/src/Symfony/Component/Serializer/CHANGELOG.md
index ea826ba6c7..e5915f7af9 100644
--- a/src/Symfony/Component/Serializer/CHANGELOG.md
+++ b/src/Symfony/Component/Serializer/CHANGELOG.md
@@ -5,6 +5,7 @@ CHANGELOG
 -----
 
 * added `CompiledClassMetadataFactory` and `ClassMetadataFactoryCompiler` for faster metadata loading.
+* added `UidNormalizer`
 
 5.1.0
 -----
diff --git a/src/Symfony/Component/Serializer/Normalizer/UidNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/UidNormalizer.php
new file mode 100644
index 0000000000..7ab8978fec
--- /dev/null
+++ b/src/Symfony/Component/Serializer/Normalizer/UidNormalizer.php
@@ -0,0 +1,71 @@
+<?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\Normalizer;
+
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
+use Symfony\Component\Serializer\Exception\NotNormalizableValueException;
+use Symfony\Component\Uid\AbstractUid;
+use Symfony\Component\Uid\Ulid;
+use Symfony\Component\Uid\Uuid;
+
+final class UidNormalizer implements NormalizerInterface, DenormalizerInterface, CacheableSupportsMethodInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function normalize($object, string $format = null, array $context = [])
+    {
+        if (!$object instanceof AbstractUid) {
+            throw new InvalidArgumentException('The object must be an instance of "Symfony\Component\Uid\AbstractUid".');
+        }
+
+        return (string) $object;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsNormalization($data, string $format = null)
+    {
+        return $data instanceof AbstractUid;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function denormalize($data, string $type, string $format = null, array $context = [])
+    {
+        try {
+            $uid = Ulid::class === $type ? Ulid::fromString($data) : Uuid::fromString($data);
+        } catch (\InvalidArgumentException $exception) {
+            throw new NotNormalizableValueException(sprintf('The data is not a valid "%s" string representation.', $type));
+        }
+
+        return $uid;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDenormalization($data, string $type, string $format = null)
+    {
+        return is_a($type, AbstractUid::class, true);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasCacheableSupportsMethod(): bool
+    {
+        return __CLASS__ === static::class;
+    }
+}
diff --git a/src/Symfony/Component/Serializer/Tests/Normalizer/UidNormalizerTest.php b/src/Symfony/Component/Serializer/Tests/Normalizer/UidNormalizerTest.php
new file mode 100644
index 0000000000..17d3d07c75
--- /dev/null
+++ b/src/Symfony/Component/Serializer/Tests/Normalizer/UidNormalizerTest.php
@@ -0,0 +1,95 @@
+<?php
+
+namespace Symfony\Component\Serializer\Tests\Normalizer;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
+use Symfony\Component\Serializer\Normalizer\UidNormalizer;
+use Symfony\Component\Uid\AbstractUid;
+use Symfony\Component\Uid\Ulid;
+use Symfony\Component\Uid\Uuid;
+use Symfony\Component\Uid\UuidV1;
+use Symfony\Component\Uid\UuidV3;
+use Symfony\Component\Uid\UuidV4;
+use Symfony\Component\Uid\UuidV5;
+use Symfony\Component\Uid\UuidV6;
+
+class UidNormalizerTest extends TestCase
+{
+    /**
+     * @var UidNormalizer
+     */
+    private $normalizer;
+
+    protected function setUp(): void
+    {
+        $this->normalizer = new UidNormalizer();
+    }
+
+    public function dataProvider()
+    {
+        return [
+            ['9b7541de-6f87-11ea-ab3c-9da9a81562fc', UuidV1::class],
+            ['e576629b-ff34-3642-9c08-1f5219f0d45b', UuidV3::class],
+            ['4126dbc1-488e-4f6e-aadd-775dcbac482e', UuidV4::class],
+            ['18cdf3d3-ea1b-5b23-a9c5-40abd0e2df22', UuidV5::class],
+            ['1ea6ecef-eb9a-66fe-b62b-957b45f17e43', UuidV6::class],
+            ['1ea6ecef-eb9a-66fe-b62b-957b45f17e43', AbstractUid::class],
+            ['01E4BYF64YZ97MDV6RH0HAMN6X', Ulid::class],
+        ];
+    }
+
+    public function testSupportsNormalization()
+    {
+        $this->assertTrue($this->normalizer->supportsNormalization(Uuid::v1()));
+        $this->assertTrue($this->normalizer->supportsNormalization(Uuid::v3(Uuid::v1(), 'foo')));
+        $this->assertTrue($this->normalizer->supportsNormalization(Uuid::v4()));
+        $this->assertTrue($this->normalizer->supportsNormalization(Uuid::v5(Uuid::v1(), 'foo')));
+        $this->assertTrue($this->normalizer->supportsNormalization(Uuid::v6()));
+        $this->assertTrue($this->normalizer->supportsNormalization(new Ulid()));
+        $this->assertFalse($this->normalizer->supportsNormalization(new \stdClass()));
+    }
+
+    /**
+     * @dataProvider dataProvider
+     */
+    public function testNormalize($uuidString, $class)
+    {
+        if (Ulid::class === $class) {
+            $this->assertEquals($uuidString, $this->normalizer->normalize(Ulid::fromString($uuidString)));
+        } else {
+            $this->assertEquals($uuidString, $this->normalizer->normalize(Uuid::fromString($uuidString)));
+        }
+    }
+
+    public function testNormalizeForNonUid()
+    {
+        $this->expectException(InvalidArgumentException::class);
+        $this->normalizer->normalize(new \stdClass());
+    }
+
+    /**
+     * @dataProvider dataProvider
+     */
+    public function testSupportsDenormalization($uuidString, $class)
+    {
+        $this->assertTrue($this->normalizer->supportsDenormalization($uuidString, $class));
+    }
+
+    public function testSupportsDenormalizationForNonUid()
+    {
+        $this->assertFalse($this->normalizer->supportsDenormalization('foo', \stdClass::class));
+    }
+
+    /**
+     * @dataProvider dataProvider
+     */
+    public function testDenormalize($uuidString, $class)
+    {
+        if (Ulid::class === $class) {
+            $this->assertEquals(new Ulid($uuidString), $this->normalizer->denormalize($uuidString, $class));
+        } else {
+            $this->assertEquals(Uuid::fromString($uuidString), $this->normalizer->denormalize($uuidString, $class));
+        }
+    }
+}