Muzha (), alternatively romanized Mucha, was a district in Taipei City, Taiwan. The name refers to wooden fences built in the region to defend against attacks by Taiwanese Indigenous peoples.
During Qing rule, the area belonged to . After 1920, during Japanese rule, the area belonged to both and of of Bunsan District, Taihoku Prefecture (modern-day Shenkeng District and Neihu District).
Muzha was transferred from Taipei County to become a district of Taipei City. In 1990, it merged with Jingmei District to become Wenshan District.