M25 or M-25 may be: Aerospace M-25 Dromader Mikro, a variant of the Polish PZL-Mielec M-18 Dromader agricultural aircraft Cors-Air M25Y Black Devil, an Italian aircraft engine Shvetsov M-25, an aircraft radial engine produced in the Soviet Union (USSR) in the 1930s and 1940s Motor vehicles M25 Tank Transporter, a US Army World War II tractor-trailer combination used for transporting/recovering tanks M25, the engine of the Mercedes-Benz W25 GP race car (1934–1936) M25, a Nissan-based car by Tommy Kaira People M25 cat killer, alleged killer of 50+ cats in the Croydon, England area Roads M-25 (Michigan highway), a road connecting Port Huron and Bay City M25 highway (Russia), a federal road in Russia that connects Novorossiysk with the ferry at Simferopol to Crimea M25 (East London), a Metropolitan Route in East London, South Africa M25 (Cape Town), a Metropolitan Route in Cape Town, South Africa M25 (Pretoria), a Metropolitan Route in Pretoria, South Africa M25 (Durban), a Metropolitan Route near Durban, South Africa M25 motorway, orbital road around Greater London Space Messier 25, an open star cluster in the constellation Sagittarius Vessels HMS M25, a British warship launched in 1915 and scuttled in 1919 Mälar 25, sailboat class Miles M.25 Martinet, a 1942 target tug aircraft of the Royal Air Force Weapons M25 sniper rifle, a sniper rifle M25A1 grenade, a U.S. riot control hand grenade XM25 CDTE, an airburst grenade launcher