Bowser Castle 3 (also known as Bowser's Castle 3) is a retro race track from Mario Kart: Super Circuit. It is the last track of the Star Cup. The track later reappeared as the second track of the Leaf Cup in Mario Kart Wii and in Mario Kart Tour.

Currently there is one version available:

• GBA Bowser Castle 3 (YaBoiMatteeDubbz), based on the original version.