M136 or M-136 may refer to:

• M-136 (Michigan highway), a state highway in Michigan
• Mercedes-Benz M136 engine
• AT4, Swedish anti-tank weapon designated as M136 AT4 in the U.S.

• H.Y.L. Brown
• Hyldeblomst
• Hyle
• Hyle (Blake)
• Hyleg
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• Hylella cappellei
• Hylella chrysops
• Hylella puncticrus
• Hylemorphism
• Hylephila phyleus
• Hyles
• Hyles Anderson
• Hyles-anderson
• Hyles Anderson College
• Hyles anderson college
• Hyles-Anderson Publishers
• Hyles euphorbiae
• Hyles gallii
• Hyles hippophaes
• Hyles lineata
• Hylestad
• Hylexetastes
• Hylexetastes brigidai
• Hylexetastes perrotii