Clarence P. Dahl (March 22, 1892 – October 23, 1976) was an American politician with the Republican Party who served as the 22nd, 24th and 26th lieutenant governor of North Dakota from 1945 to 1951 serving under Governor Fred G. Aandahl, 1953 to 1957 serving under Governor Clarence N. Brunsdale, and from 1959 to 1961 serving under Governor John E. Davis. He also served in the North Dakota Senate from 1938 to 1944 and from 1950 to 1952.