M77 or M-77 may refer to:
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M-77 (Michigan highway), a state highway in Michigan
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M77 motorway, a motorway in Scotland
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M-77 pistol, a semi-automatic pistol
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Miles M.77 Sparrowjet, a 1950 twin-engined jet-powered racing aeroplane
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Zastava M77, a Serbian assault rifle
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Ruger M77, a bolt-action rifle
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Messier 77
Messier 77 or M77, also known as NGC 1068 and the Squid Galaxy, is a barred spiral galaxy about 47 million light-years away in the constellation Cetus. Messier 77 was discovered by Pierre Méchain in 1780, who originally described it as a nebul ...
, a spiral galaxy in the constellation Cetus
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M-77 Oganj, a Serbian multiple rocket launcher
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Dual-Purpose Improved Conventional Munition, M77 DPICM submunition
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