Elmer Smith
Elmer Smith may refer to:
- Elmer Smith (activist), American lawyer and union defender
- Elmer Smith (baseball), baseball outfielder who played from 1914 through 1925
- Mike Smith (1890s outfielder), real name Elmer Ellsworth Smith, baseball outfielder who played from 1886 through 1901
- Elmer Roy Smith, politician in Ontario, Canada
- Elmer Boyd Smith, American writer and illustrator
- Elmer Smith (American football), American football and basketball player and coach
- Elmer Smith Power Plant, a power plant in Owensboro, Kentucky