To provide a pushbutton type lock for a bicycle with improved reliability and durability of locking by reinforcing searching stop of a pushbutton and preventing dust and rain water from intruding into a case.

This pushbutton type lock for a bicycle is constituted in such a way that a plurality of pushbuttons 5 are arranged in a surface part 7 of the lock case 1 and an unlocking operation lever 14 faces a side face part of the case. A resin-made cover 6 forming a base part 9 adhering closely to the surface part 7 and a hollow storage part 8 which is protrudedly provided on the base part, covers each pushbutton individually, and is provided with restoration force restoring elastically integrally, is bonded to the lock case.