Lorne Calvert (born December 24, 1954) is the current premier of the Canadian province of Saskatchewan. He is the leader of the Saskatchewan New Democratic Party.
An ordained minister in the United Church of Canada, Calvert served as minister of Zion United Church in Moose Jaw from 1979 to 1986.
He entered provincial politics in the 1986 provincial election, running as a New Democrat. He was elected to the Legislative Assembly of Saskatchewan as the MLA for the riding of Moose Jaw South.
He was re-elected in the 1991 and 1995 elections in the riding of Moose Jaw Wakamow, and in the 1999 election in Saskatoon Riversdale.
Following the resignation of NDP leader and Premier Roy Romanow, Calvert won the NDP leadership, and became premier on February 8, 2001.
Calvert and the NDP narrowly defeated the right-wing opposition Saskatchewan Party in the 2003 provincial election. The NDP won 30 seats of the 58 seats in the election.