John McClellan may refer to:
John McClellan (chemist) (1810–1881), chemist and industrialist in Widnes, England John J. McClellan (1874–1925), chief organist in the Salt Lake Tabernacle of The Church of Jesus Christ of Latter-day Saints, 1900–1925 John L. McClellan (1896–1977), United States Representative and Senator from Arkansas
See also John McLellan (disambiguation) John McClelland (disambiguation)