Taiko no Tatsujin (太鼓の達人) is a series of rhythm games created by Namco. In the games, players simulate playing a taiko drum in time with music. The series has released games for the arcade and for console and mobile platforms including PlayStation 2, Advanced Pico Beena, PlayStation Portable, Nintendo DS, Wii, Nintendo 3DS, Wii U, PlayStation Vita, PlayStation 4, Nintendo Switch, iOS, Android and Japanese Feature phones.

The main objective of Taiko no Tatsujin games is to hit a simulated Taiko drum following a chosen piece of music, corresponding to notes scrolling from the right.