John L. McClellan (1896–1977) was a U.S. Senator from Arkansas from 1943 to 1977.
Senator McClellan may also refer to:
Abraham McClellan (Tennessee politician) (1789–1866), Tennessee State Senate Jennifer McClellan (born 1972), Virginia State Senate Robert H. McClellan (1823–1902), New York State Senate Robert L. McClellan (1822–1889), Pennsylvania State Senate Samuel R. McClellan (1806–1890), Wisconsin State Senate
See also Senator McClelland (disambiguation)