Jonathon Duniam (born 31 December 1982) is an Australian politician and a Liberal Party member of the Australian Senate representing the state of Tasmania.
He was formerly Will Hodgman's deputy chief of staff, quitting in May 2016 to campaign in the Federal election.
Duniam, the son of Waratah-Wynyard deputy mayor Mary Duniam, has a long history with the Liberal party, and was formerly president of the Young Liberals at 22.