Magical Battle Arena is a crossover third-person shooter game developed by Fly-System in 2008. The game features characters from Magical Girl Lyrical Nanoha, Magic Knight Rayearth, Cardcaptor Sakura, Slayers, and Mahoujin Guru Guru.

A stand-alone version of the base game and previous expansions was published by Area-Zero as Magical Battle Arena: Complete.