Ernie Smith may refer to:
- Ernie Smith (baseball, born 1899) (1899–1973), American baseball shortstop
- Ernie Smith (baseball, born 1908) (1908–1973), American Negro league baseball left fielder
- Ernie Smith (tackle) (1909–1985), American football player
- Ernie Smith (American football coach) (born ?), American football coach in 1950s
- Ernie Smith (footballer) (1912–1996), English professional footballer
- Ernie Smith (singer) (born 1945), Jamaican reggae singer
- Ernie Smith (politician), Jamaican politician