Theodore Christianson (June 4, 1913 – September 19, 1955) was an American jurist.

Born in Dawson, Minnesota, Christianson graduated from University High School in 1931.

During World War II, Christianson served in the United States Navy.

Christianson served on the Minnesota Supreme Court from 1950 until his death in 1955.

He died suddenly of a heart attack at his home in Saint Paul, Minnesota.