In Roman mythology, Fraus was the goddess of personification of treachery and fraud.^[1][2][3][4]

She was daughter of Orcus and Night (Nyx).^[5] She was depicted with a woman's face, the body of a snake, and on her tail the sting of a scorpion.^[2][6][7]

Fraus is an alternative name for Mercury,^{[citation needed]} the god of theft (among other things). She is alternatively described as Mercury's helper.^{[citation needed]}. Her Greek equivalent was Apate.