diff --git a/src/DDTrace/Integrations/PDO/PDOIntegration.php b/src/DDTrace/Integrations/PDO/PDOIntegration.php
index f731bdc3df..73e646c8f9 100644
--- a/src/DDTrace/Integrations/PDO/PDOIntegration.php
+++ b/src/DDTrace/Integrations/PDO/PDOIntegration.php
@@ -247,6 +247,10 @@ private static function parseDsn($dsn)
             $tags[Tag::DB_SYSTEM] = $dbSystem;
             $tags[Tag::DB_TYPE] = $dbSystem;  // db.type is DD equivalent to db.system in OpenTelemetry, used for SQL spans obfuscation
 
+            // Match libpq: strip paired wrapping single quotes from dbname (APMS-19464).
+            if (strlen($db) >= 2 && $db[0] === "'" && substr($db, -1) === "'") {
+                $db = substr($db, 1, -1);
+            }
             if ($db !== "") {
                 $tags[Tag::DB_NAME] = $db;
             }
diff --git a/tests/Integrations/PDO/PDOTest.php b/tests/Integrations/PDO/PDOTest.php
index a4bfe816ab..dd77c79047 100644
--- a/tests/Integrations/PDO/PDOTest.php
+++ b/tests/Integrations/PDO/PDOTest.php
@@ -2,9 +2,11 @@
 
 namespace DDTrace\Tests\Integrations\PDO;
 
+use DDTrace\Integrations\PDO\PDOIntegration;
 use DDTrace\Tag;
 use DDTrace\Tests\Common\IntegrationTestCase;
 use DDTrace\Tests\Common\SpanAssertion;
+use ReflectionMethod;
 use function DDTrace\close_span;
 use function DDTrace\start_trace_span;
 
@@ -907,4 +909,33 @@ protected function baseTags($expectPeerService = false)
 
         return $tags;
     }
+
+    /**
+     * @dataProvider dsnDbNameCases
+     */
+    public function testParseDsnDbNameQuoteHandling($dsn, $expectedDbName)
+    {
+        $method = new ReflectionMethod(PDOIntegration::class, 'parseDsn');
+        $method->setAccessible(true);
+        $tags = $method->invoke(null, $dsn);
+
+        if ($expectedDbName === null) {
+            $this->assertArrayNotHasKey(Tag::DB_NAME, $tags);
+        } else {
+            $this->assertSame($expectedDbName, $tags[Tag::DB_NAME]);
+        }
+    }
+
+    public function dsnDbNameCases()
+    {
+        return [
+            'unquoted dbname'                   => ['pgsql:host=h;dbname=milk',    'milk'],
+            'paired single quotes stripped'     => ["pgsql:host=h;dbname='milk'",  'milk'],
+            'double quotes preserved as-is'     => ['pgsql:host=h;dbname="milk"',  '"milk"'],
+            'unpaired leading quote preserved'  => ["pgsql:host=h;dbname='milk",   "'milk"],
+            'unpaired trailing quote preserved' => ["pgsql:host=h;dbname=milk'",   "milk'"],
+            'empty quoted dbname omitted'       => ["pgsql:host=h;dbname=''",      null],
+            'database= alias also stripped'     => ["mysql:host=h;database='foo'", 'foo'],
+        ];
+    }
 }