diff --git a/src/Illuminate/Support/Stringable.php b/src/Illuminate/Support/Stringable.php
index e33f9b0b78a7..647e70a9dcfa 100644
--- a/src/Illuminate/Support/Stringable.php
+++ b/src/Illuminate/Support/Stringable.php
@@ -1017,6 +1017,18 @@ public function whenIsUuid($callback, $default = null)
         return $this->when($this->isUuid(), $callback, $default);
     }
 
+    /**
+     * Execute the given callback if the string is a valid ULID.
+     *
+     * @param  callable  $callback
+     * @param  callable|null  $default
+     * @return static
+     */
+    public function whenIsUlid($callback, $default = null)
+    {
+        return $this->when($this->isUlid(), $callback, $default);
+    }
+
     /**
      * Execute the given callback if the string starts with a given substring.
      *
diff --git a/tests/Support/SupportStringableTest.php b/tests/Support/SupportStringableTest.php
index 43207a37f393..f547161f14d6 100644
--- a/tests/Support/SupportStringableTest.php
+++ b/tests/Support/SupportStringableTest.php
@@ -321,6 +321,25 @@ public function testWhenIsUuid()
         }));
     }
 
+    public function testWhenIsUlid()
+    {
+        $this->assertSame('Ulid: 01GJSNW9MAF792C0XYY8RX6QFT', (string) $this->stringable('01GJSNW9MAF792C0XYY8RX6QFT')->whenIsUlid(function ($stringable) {
+            return $stringable->prepend('Ulid: ');
+        }, function ($stringable) {
+            return $stringable->prepend('Not Ulid: ');
+        }));
+
+        $this->assertSame('2cdc7039-65a6-4ac7-8e5d-d554a98', (string) $this->stringable('2cdc7039-65a6-4ac7-8e5d-d554a98')->whenIsUlid(function ($stringable) {
+            return $stringable->prepend('Ulid: ');
+        }));
+
+        $this->assertSame('Not Ulid: ss-01GJSNW9MAF792C0XYY8RX6QFT', (string) $this->stringable('ss-01GJSNW9MAF792C0XYY8RX6QFT')->whenIsUlid(function ($stringable) {
+            return $stringable->prepend('Ulid: ');
+        }, function ($stringable) {
+            return $stringable->prepend('Not Ulid: ');
+        }));
+    }
+
     public function testWhenTest()
     {
         $this->assertSame('Winner: foo bar', (string) $this->stringable('foo bar')->whenTest('/bar/', function ($stringable) {