| Waldo Fimmen | |
| State House: | Iowa |
| Term Start: | January 13, 1941 |
| Term End: | January 9, 1949 |
| District: | 3rd |
| Preceded: | Dewey Goode |
| Succeeded: | Dewey Goode |
| Birth Name: | Waldo Ralph Fimmen |
| Birth Date: | 3 June 1899 |
| Birth Place: | Des Moines County, Iowa, U.S. |
| Death Place: | Bloomfield, Iowa, U.S. |
| Party: | Republican |
| Occupation: | Attorney (Fimmen and Stephens, Law Offices) |
| Spouse: | Mildred Wharton |
| Residence: | Bloomfield, Iowa, U.S. |
| Alma Mater: | University of Iowa (J.D.) |
Waldo Ralph Fimmen (June 3, 1899 – May 20, 1968), was an American politician from the state of Iowa.[1]
Fimmen was born June 3, 1899, in Des Moines County, Iowa, to Henry Fimmen and Lily Westling. He graduated from Burlington High School in 1917. Fimmen married Mildred Wharton in 1931. He served as a Republican in the Iowa House of Representatives from 1941 to 1949. Fimmen died May 20, 1968, in Bloomfield.