A buckle assembly includes a first buckle member, a second buckle member and a locking arrangement. The first buckle member includes a first buckle body and an insertion member. The second buckle member includes a second buckle body having a receiving slot, a first buckle latch and a second buckle latch pivotally connected to the second buckle body to move between a locked position and an unlocked position, and a plurality of resilient elements mounted in the second buckle body. The locking arrangement includes a first locking member extended from one of the first buckle member and the second buckle member to retain one of the first buckle latch and the second buckle latch at a locked position.