Oscar R. Olson

Oscar R. Olson (March 24, 1869 –November 23, 1945) was an American farmer, banker, and Republican politician from Blanchardville, Wisconsin. He was a member of the Wisconsin Senate, representing Wisconsin's 17th Senate district during the 1919 and 1921 sessions. He also served three terms as register of deeds of Green County, Wisconsin.

Biography
Olson was born in Jordan, Wisconsin. he was the son of Rollin Olson (1832–1898) and Mary (Peterson) Olson (1837–1913), who immigrated from Norway in 1845. He attended Valparaiso University. During the Spanish–American War, Olson served in the Wisconsin National Guard, achieving the rank of captain. He died on November 23, 1945 and was buried in Old York Lutheran Cemetery in Green County, Wisconsin.

Political career
Olson was elected to the Senate in 1918. Previously, he served three terms as register of deeds of Green County, Wisconsin. He was a Republican.