Reinaldo can refer to:
- Reinaldo da Cruz Oliveira (born 1979), Brazilian football (soccer) player
- Reinaldo Elias da Costa (born 1984), Brazilian football (soccer) player
- Reinaldo Felisbino (born 1962), Brazilian football (soccer) player
- Reinaldo Gonçalves Félix (born 1986), Brazilian football (soccer) player
- José Reinaldo de Lima (born 1957), Brazilian football (soccer) player
- Reinaldo de Souza (born 1980), Brazilian football (soccer) player
- Reinaldo Patterson (born 1956), Cuban javelin thrower
- Reinaldo Gomes (born 1954), Portuguese football (soccer) player
- Reinaldo Lizardi (born 1954), Venezuelan sprinter