Alena is a feminine given name.
Alena or ALENA may also refer to:
Arts Alena (1947 film), a Czech film Alena (graphic novel), a Swedish graphic novel Alena (2015 film), a Swedish film based on the graphic novel
Other uses ALENA (Accord de libre-échange nord-américain, lit. "Agreement of Free Trade, North American"), French acronym for the North American Free Trade Agreement Alena (snakefly), a genus of Raphidioptera Alena, a genus of moths that were renamed as Aliona Carles Aleñá, Spanish footballer