Matej Tonin (born 30 July 1983)[1] is a Slovenian politician.

In January 2018, Ljudmila Novak announced her resignation as the president of NSi and Tonin took over the party.

[2] On 22 June 2018 Tonin was elected 13th Speaker of the National Assembly.

Following the formation of the coalition around Marjan Šarec, Tonin stepped down on 23 August 2018 to be replaced by Dejan Židan of Social Democrats.

[3] On 13 March 2020, Tonin became the Minister of Defence in the 14th Government of Slovenia.