MTW may refer to:
Places
Motya, written in Phoenician as
Science literature
Misner, Thorne & Wheeler's book Gravitation on Einstein's general theory of relativity
Media/literature works
Medieval: Total War, 2001 video game Mock the Week, British TV programme which debuted in 2005 Martin the Warrior, 1993 fantasy novel Menschen Technik Wissenschaft (MTW), the preceding show of Einstein on Swiss television SRF
Transport
MTW, the IATA airport code for Manitowoc County Airport in Manitowoc, Wisconsin Maximum taxi weight, or maximum ramp weight, maximum weight for an aircraft being maneuvered on the ground Maximum takeoff weight, alternate abbreviation instead of MTOW Marinette, Tomahawk and Western Railroad, see List of Wisconsin railroads
Other
Magahat language (ISO 639 language code: mtw) Mission to the World, mission-sending agency for the Presbyterian Church in America Machine Tool Wire Maoism (Third Worldism), an economic and political philosophy