Lois Mabel Haggen, (née Hill; September 16, 1899 – February 28, 1994) was a Canadian politician, who represented the electoral district of Grand Forks-Greenwood in the Legislative Assembly of British Columbia from 1956 to 1966.

She was a member of the Co-operative Commonwealth Federation, which became the New Democratic Party during her term in office.

[2] Following riding redistribution for the 1966 provincial election, Haggen ran for re-election in the new Boundary-Similkameen district, but was defeated by Frank Richter, Jr.

In 1966, Haggen went to the United Nations as Canada's representative on the Human Rights Committee.

This article about a Member of the Legislative Assembly of British Columbia is a stub.