Jayna Oso (born August 17, 1981) is an American-Bruneian pornographic actress.

Oso made her porn debut in 2002. She often performs in anal sex movie scenes and is also renowned for her deepthroat skills. She frequently features in the more hardcore and extreme pornography films involving her gagging and choking on male actors penises and double anal sex.

Oso is currently being represented by Exotic Star Models.