The blue iguana (Cyclura lewisi) is a lizard species native to Grand Cayman.

Blue Iguana may also refer to: The Blue Iguana, a 1988 comedy crime film Dancing at the Blue Iguana, a 2000 erotic drama film Blue Iguana (2018 film), a romantic comedy thriller Daniel's Gotta Die, originally titled Blue Iguana, a 2022 comedy film