Cibyra poltrona is a species of moth of the family Hepialidae.

It was described by William Schaus in 1901 and is known from Brazil.

The forewings are ochreous brown on the costa and inner margin, while the intermediate space is more ochreous.

There are some indistinct darker transverse lines on the terminal half.

This article on a moth of the family Hepialidae is a stub.