The 1948 Nebraska lieutenant gubernatorial election was held on November 2, 1948, and featured former Speaker of the Nebraska Legislature Charles J. Warner, a Republican, defeating Democratic nominee Sam J. Howell.
Sam J. Howell ran unopposed in the Democratic primary. He was an insurance agent from Omaha, Nebraska, who had served in the Nebraska State Senate from 1935 to 1937 and as the chairman of the Omaha Housing Authority.