Ctenosaura quinquecarinata, commonly known as the club tail iguana or the five-keeled spiny-tailed iguana is a species of lizard in the Iguanidae family endemic to Central America.

Ctenosaura quinquecarinata, commonly known as the club tail iguana or the five-keeled spiny-tailed iguana is a species of lizard in the Iguanidae family endemic to Central America.

Ctenosaura quinquecarinata was first described by zoologist John Edward Gray in 1842 as Cyclura quinquecarinata; 32 years later it was redesignated by Marie Firmin Bocourt as Ctenosaura quinquecarinata.