Steve Nelson may refer to:
- Steve Nelson (activist) (1903–1993), Communist Party member, Spanish Civil War veteran and U.S. Supreme Court litigant
- Steve Nelson (songwriter) (1907–1981), radio producer and singer, co-writer of "Frosty the Snowman"
- Steve Nelson (American football) (born 1951), New England Patriots football player
- Steve Nelson (vibraphonist) (born 1954), American musician
- Stephen L. Nelson (born 1959), American author of computer books
- Stephen Nelson (sportscaster) (born 1989), American television personality and play-by-play commentator
- Steven Sharp Nelson (born 1977), American cellist and songwriter
- Steven Nelson (born 1993), American football player