Ione Jean Christensen, CM OY, née Cameron (born October 10, 1933) is a former Canadian Senator.
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 1980, she ran unsuccessfully as a Liberal candidate, in the federal election for the riding of Yukon.
In 1999, Christensen was appointed at the recommendation of Prime Minister Jean Chrétien to the Senate.