Iain Thomas Rankin is a Canadian politician who served as the 29th premier of Nova Scotia from February 23, 2021, to August 31, 2021. He serves in the Nova Scotia House of Assembly for the Nova Scotia Liberal Party, representing the electoral district of Timberlea-Prospect. Rankin was first elected in the 2013 Nova Scotia general election and was re-elected in the 2017 general election. On February 6, 2021, Rankin was announced the Leader of the Nova Scotia Liberal Party.

The Nova Scotia House of Assembly, or Legislative Assembly, is the deliberative assembly of the General Assembly of Nova Scotia, and together with the Lieutenant Governor of Nova Scotia makes up the Nova Scotia Legislature.