M3K may refer to:

M3K (postal code), Toronto, Ontario, Canada; see List of postal codes of Canada: M MAP kinase kinase kinase (M3K) , a Japanese pro-wrestling stable of Masaaki Mochizuki, Mochizuki Jr, Susumu Mochizuki, and, Yasushi Kanda, on the Dragongate wrestling promotion tour; wrestling in 2002 and 2023; see List of Dragon Gate personnel M3K (amphibious military truck), a variant of the M3 Amphibious Rig bridging vehicle

See also

MK (disambiguation) MK3 (disambiguation)

mmmk MKKK (disambiguation)

MEK (disambiguation)