An optical fiber connector includes a housing unit, a fiber ferrule unit including a fiber ferrule and a resilient member, a connecting unit, a boot unit and a sleeve unit. The housing unit includes a housing body defining an internal space, and a first engaging member. At least a substantial portion of the fiber ferrule is disposed in the internal space. The resilient member is sleeved on the fiber ferrule. The connecting unit includes a second engaging member and a connecting member. The second engaging member abuts against the resilient member and engages the first engaging member. The boot unit completely receives the connecting member. The sleeve unit is sleeved on the housing unit and the boot unit and covers a juncture therebetween.