Ninja Gaiden 3[a] is a 2012 action-adventure game developed by Team Ninja and published by Tecmo Koei. It is the sequel to Ninja Gaiden II, and was released worldwide for the PlayStation 3 and the Xbox 360 in March 2012. An updated version, titled Ninja Gaiden 3: Razor's Edge, was released later that year, originally published by Nintendo for the Wii U, and later ported to multiple platforms. The game is the first in the modern series to be directed by someone other than franchise director Tomonobu Itagaki, with Fumihiko Yasuda and Yosuke Hayashi taking over directorial duties. A sequel, Ninja Gaiden 4, was released on October 21, 2025.