Jerome "Jeff Smith" Jefferds (April 23, 1891 – February 3, 1962) was an American professional boxer who held the Australian version of the World Middleweight Title during his career.

Despite his relative anonymity, Smith faced off against some the best fighters of his era, including Harry Greb, Gene Tunney, Mike Gibbons, Georges Carpentier, Les Darcy and Tommy Loughran.

[4][5] Smith made his pro debut in 1910 (the same year of the death of famed Middleweight Champion Stanley Ketchel), beating Ray Hatfield by newspaper decision over four rounds.

[6] On February 20, 1912, Smith beat future World Middleweight Title holder George Chip on points over fifteen rounds in what turned out to be a heated battle.

[2] Earning his nickname as the "Bayonne Globetrotter", Smith faced Eddie McGoorty in Australia, losing an extremely unpopular decision over twenty rounds.