Ott Tänak (born 15 October 1987) is an Estonian rally driver. He is currently teamed with Martin Järveoja and is competing for Toyota in the World Rally Championship.

He was born on October 15th 1987 in Kärla Parish, Saaremaa, and first got into the sport from his father who took up rallying as a hobby.

He replaced the retired Mikko Hirvonen at M-Sport for the 2015 season, whilst retaining Raigo Mõlder as co-driver. Tänak later signed a two-year contract with Toyota Gazoo Racing in 2018, racing alongside teammates Jari-Matti Latvala and Esapekka Lappi.