Märt Visnapuu (April 23, 1962 – March 27, 2025) was an Estonian actor.

He was born in Tallinn. In 1984 he graduated from the Tallinn State Conservatory's Performing Arts Department. from 1984 until 1992, he was an actor at the Estonian Drama Theatre, and from 1993 until 1996, at Ugala Theatre. From 1996 he was a freelance actor. Besides theatre roles he played also in several films and television series.