Frank Brenner Morrison (May 20, 1905 – April 19, 2004) was an American politician and attorney who served as the 31st governor of Nebraska from 1961 to 1967, representing the Democratic Party.

He ran for the U.S. House of Representatives twice in 1948 and 1954, Nebraska lieutenant governor in 1956, and United States Senate three times in 1958, 1966 and 1970, but lost all six elections.

Morrison was the driving force behind the construction of the Great Platte River Road Archway Monument in Kearney, Nebraska.

The Great Platte River Road Archway Monument gained fame by being featured in the movie About Schmidt with Jack Nicholson.

He married Maxine Elizabeth Hepp in 1936 and they had three children, Frank Jr, David Jon, and Jean Marie.