Allie Sin (born Stephanie Draheim in Flint, Michigan) is a female porn star who first appeared in the adult scene in 2004. She has her own website where she goes by the name of Naughty Nati.

Allie is famed for her skills in anal sex and for taking facial cumshots. She is distinguished by her girl next door looks and numerous tattoos.

Allie has a half-sister named Astrid by the same mother. Both sisters starred together in a scene from Cum Glazed #2. Astrid also starred in at least one video without Allie.

After appearing in a string of successful adult films which made her seem unstoppable, her porn career was put on hold in 2005. Allie cited "relationship problems" with her boyfriend Jeremiah Ruff, the lead vocalist for the band Phoenix Mourning. At that time she did some nude dancing at a strip club called Mons Venus in Tampa, Florida.

She is now with the legendary death metal drummer Jeramie Kling. (Ninety Minute Reflex,The Absence) They started dating in feb 08