Arenas
- Albert Arenas
- Arena (disambiguation)
- Arenas CD
- Arenas Club de Getxo
- Arenas River (disambiguation)
- Arenas de San Juan
- Arenas de San Pedro
- Arenas, Cidra, Puerto Rico
- Arenas, Málaga
- Arenas, Panama
- Arenas, Utuado, Puerto Rico
- Braulio Arenas
- Eddie Arenas
- Elena Arenas
- Gabi (footballer, born 1983)
- Gilbert Arenas
- Ildefonso Arenas
- Jacobo Arenas
- Javier Arenas (American football)
- Javier Arenas (politician)
- Juan Pablo Arenas
- Julio Arenas
- Larena (disambiguation)
- Miss Universe 1997
- Punta Arenas
- Reinaldo Arenas
- Rose Marie Arenas
- Toronto Arenas
- Yolanda Arenas