L40 may refer to: IBM PS/2 L40 SX, a portable computer , a destroyer of the Royal Navy Mitochondrial ribosomal protein L40 New Flyer L40, a Canadian bus Orličan L-40 Meta Sokol, a Czechoslovak sports and touring aircraft Pentax Optio L40, a digital camera Toyota Paseo (L40), a subcompact car Toyota Tercel (L40), a subcompact car