Black Goat of Qohor

The Black Goat of Qohor is a deity worshiped in the Free City of Qohor.

Season 5
A statue of the Black Goat of Qohor appears along with statues of gods from other religions in the House of Black and White, the temple-headquarters of the Faceless Men in Braavos.

In the books
In the A Song of Ice and Fire novels.