Removable seats and lawnmowers with removable seats are provided. A lawnmower includes a frame; a walking element coupled to the frame to move the lawnmower relative to an underlying ground surface; and a seat selectively coupled to the frame, the seat including: one or more rails; a lower support adjustably coupled to the one or more rails; a backrest coupled to the lower support; and a latch coupled to the lower support through at least one of the one or more rails, the latch being selectively engageable with the frame to maintain the seat in a riding position, wherein the seat is removable from the frame by rotating the seat about a horizontal axis.