An optical fiber connector includes an inner housing and a fixing module sleeved in the inner housing. The fixing module includes a fixing mechanism having a supporting member and a clamping member. The supporting member includes a first fixing portion axially defining a first restricting groove, a first fixing end and a second fixing end at two opposite ends of the first fixing portion, and the clamping member includes a second fixing portion axially defining two sliding grooves on two borders of the second fixing portion. The fixing module further includes a locking member sleeved on the fixing mechanism, a position member fixed at the first fixing end of the fixing mechanism, and an elastic member sleeved on the fixing mechanism with an end of the elastic member resisting with the position member and the other end of the elastic member resisting with the locking member.