Campo Alegre (Portuguese or Spanish: happy field) may refer to:
- Campo Alegre, Oporto, a parish in Oporto, Portugal.
- Campo Alegre, Alagoas, a Brazilian city in the state of Alagoas
- Campo Alegre, Puerto Rico, a space for farmers' market in the District of Santurce
- Campo Alegre, Santa Catarina, a Brazilian city in the state of Santa Catarina
- Another name for Le Mirage, an open-air brothel in Curacao