A fiber optic connector includes a positioning member formed with two installation holes and two guiding grooves, two central rods and a locking member. The locking member has two guiding portions and is operable to move relative to the positioning member between a locking position, where each of the guiding portions extends into an intersection of the corresponding guiding groove and the corresponding installation hole to engage an annular groove of the corresponding central rod for restricting movement of the central rods along the installation holes, and an open position, where the guiding portions are disengaged from the annular grooves, thereby allowing the central rods to move along the installation holes.