Ninja Master's: Haō Ninpō Chō (ニンジャマスターズ ~覇王忍法帳~ roughly translated as "Ninja Master's Scrolls of the Supreme Ninja Arts") is a ninja-themed competitive fighting game produced by ADK originally released in 1996 for the Neo Geo arcade and home platform.
Ninja Master's was the sixth and final fighting game produced by ADK, following the four games in the World Heroes series and Aggressors of Dark Kombat. It was later featured in the 2008 compilation ADK Tamashii for the PlayStation 2. On December 6, 2012, Ninja masters was also released on the Neo-Geo X handheld system.