Nirai Kanai is a mythical place in Ryukyuan religion.

Nirai Kanai may also refer to:

• "Nirai Kanai" (Cocco song), a song by musician Cocco.
• "Nirai Kanai" (MAX song), a music single by the band MAX.
• A fictional location in the anime television series RahXephon
• "Nirai-Kanai" (RahXephon episode), an episode of the same TV series.