Arenas
- This is a disambiguation page for the name Arenas. For the sporting event venue, see arena; for other meanings of arena, see arena (disambiguation).
 
Arenas (meaning sands in Spanish) may refer to:
Persons
- Abbygale Arenas (born 1974), Filipina contestant in the Miss Universe 1997 pageant
 - Albert Arenas (born 1996), Spanish motorcycle racer
 - Braulio Arenas (1913–1988), Chilean poet and writer
 - Eddie Arenas (1935–2003), Filipino actor
 - Gabriel Fernández Arenas (born 1983), Spanish footballer
 - Gilbert Arenas (born 1982), American professional basketball player
 - Ildefonso Arenas (born 1947), Spanish writer
 - Jacobo Arenas (1924–1990), nom de guerre of Luis Morantes, founder and ideological leader of the Colombian FARC-EP
 - Javier Arenas (American football) (born 1987), American football player
 - Javier Arenas (politician) (born 1957), Spanish politician
 - Juan Pablo Arenas (born 1987), Chilean soccer player
 - Reinaldo Arenas (1943–1990), Cuban poet, novelist, and playwright
 - Rose Marie Arenas (born 1940), Filipina socialite and philanthropist
 - Yolanda Arenas, Cuban actress
 
Places
- Arenas, Málaga, Spain
 - Arenas de San Juan, Ciudad Real, Spain
 - Arenas de San Pedro, Ávila, Spain
 - Arenas, Panama
 - Punta Arenas, a city in Chile
 - Arenas, Cidra, Puerto Rico
 - Arenas, Utuado, Puerto Rico
 
Other
- Arenas CD, a football team in Andalusia, Spain
 - Arenas Club de Getxo, a football club in Guecho, Spain
 - Toronto Arenas, a professional hockey team in Toronto, Canada
 - Arenas River (disambiguation)