Incision may refer to:
* Cutting, the separation of an object, into two or more portions, through the application of an acutely directed force
* A type of open wound caused by a clean, sharp-edged object such as a knife, razor, or glass splinter
* Surgical incision, a cut made through the skin and soft tissue to facilitate an operation or procedure
* River incision, in geomorphology
* Incisions (album), by American deathcore band Oceano
* Incision (band), a Dutch hard rock band
* Incision (G.I. Joe), a fictional character
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