Erena is a feminine given name. Ereña is a surname. Notable people with the name include:
Given name Erena Baker (born 1984), New Zealand artist and photographer Erena Kaibara, alias of Hyo-sei (born 1973), Japanese voice actress and singer Erena Mikaere (born 1988), New Zealand netball international Erena Mizusawa (born 1992), Japanese model and actress Erena Ono (born 1993), Japanese singer Erena So (born 1997), Hong Kong pornographic actress
Surname María Ereña (born 1996), Spanish singer
Fictional characters Erena Amamiya, character in Japanese anime Star Twinkle PreCure
See also Radio Erena, radio station in Paris, France Erena, more commonly known as Celestyal Crystal, a cruise ship Erena, a nickname for the Praga RN, a motor vehicle Ẹrẹ́nà, a month of the Yoruba calendar