Thomas Sloane may refer to:
Thomas Gibson Sloane (1858–1932), Australian sheep grazier and entomologist T. O'Conor Sloane (1851–1940), American scientist, inventor, author, and linguist T. O'Conor Sloane Jr. (1879–1963), American photographer T. O'Conor Sloane III (1912–2003), American editor, professor, etymologist and military officer
See also Thomas Sloan (disambiguation)