Selenia kentaria, commonly known as Kent's thorn or Kent's geometer, is a moth of the family Geometridae.

The species was first described by Augustus Radcliffe Grote and Coleman Townsend Robinson in 1867.

It is found in eastern and central North America.

The adults mimic wilted leaves, while the larvae resemble twigs.

The larvae feed on several hardwood trees, including Betula and Prunus.