Märt Avandi (born February 26, 1981) is an Estonian actor and comedian.

He is known in Estonia for his performances in TV show Tujurikkuja (Mood Breaker) (2008–2015) with Ott Sepp, that made them household names in Estonia.

Avandi has worked as an actor in Rakvere Theatre (2004–2006), Endla Theatre (2006–2008; 2015–...) and Estonian Drama Theatre (2009–2014).

He is the chairman and spokesperson for the Estonian Union of Parents with Children with Cancer and organizer of rubber duck races for charity