disclosed herein is a fuel filler door catch for vehicles . the fuel filler door catch includes a catch body mounted to a fuel filler housing , a rotary unit mounted on the catch body and rotating as a driver manipulates a cable , and a catch slide performing a rectilinear sliding movement as the rotary unit is operated , and released from a hook plate provided on a fuel filler door to open the fuel filler door . the present invention is directed to provide a fuel filler door catch , which is operated without applying a great force , in addition to an improvement of durability and a facilitation of maintenance due to a modular structure .