Tõnis Mägi (born 18 November 1948 in Tallinn) is an Estonian singer, guitarist, composer and actor.

More recently, he is known for his political activity in support of the right-wing populist and national-conservative Conservative People's Party of Estonia as well as vaccine hesitancy.

While attending in the Tallinn 22nd High School (now Jakob Westholm Gymnasium) he started performing as the choir's soloist in the early grades.

After learning to play guitar, Mägi started his musician career as a guitarist in school bands Juuniorid (1965) and Rütmikud (1966).

[5][6] On October 23, 2021 Tõnis Mägi performed on Freedom Square in Tallinn during a demonstration against Covid-19 measures.

[7] On a video broadcast prior to that, he called for participation on the demonstration,[8] quoting Leelo Tungal poetry, which the author disapproved of.