Ione Jean Christensen (born October 10, 1933) is a Canadian senator.
Born in Dawson Creek, British Columbia, to former NWMP Constable Gordon Irwin Cameron , and Dawson City born Martha Ballentine Cameron, her family moved to Whitehorse, Yukon in 1949. Christensen graduated from high school in 1953. She received an Associate in Arts Degree in Business Administration from the College of San Mateo in California. In 1971, she was appointed the first woman Justice of the Peace and Judge of the Juvenile Court in Yukon. In 1975, she was elected the first woman Mayor of Whitehorse and appointed the first woman Commissioner of the Yukon in 1979.
In 1980, she ran unsuccessfully as a Liberal candidate, in the Federal election for the riding of Yukon. She lost by 101 votes to Erik Nielsen.
In 1994, she was appointed a Member of the Order of Canada. Her father was also a Member, making them the only father and daughter members. In 1999, Christensen was appointed by Jean Chrétien to the Senate.
In 1968, Christensen married Art Christensen, a geologist. They have two sons, Paul and Philip.