The present invention discloses an apparatus for transferring a printed circuit board in which printed circuit boards having various sizes can be transferred by using one transfer apparatus. The apparatus for transferring a printed circuit board includes: a base plate; a plurality of linear motion guides installed to both sides of the base plate with a constant distance; first and second linear motion blocks installed slidably to the linear motion guides; a conveyor means reached in good condition on frames of the first and second motion blocks and having first and second conveyors for moving/supporting the printed circuit board; driving means for driving the first and second conveyors, respectively; a width direction transfer means of the conveyor means comprising: servo motors; moving blocks connected to the servo motors and fixed to a lower portion of the conveyor frame; fixing blocks installed to both sides of the base plate and connected to the moving blocks; and ball screws for interconnecting the moving blocks and the fixing blocks.