Jill Kassidy is an adult actress and erotic model from the United States. Kassidy was born February 18, 1996 in Dallas, Texas as Jillian Belle Johnson. After graduating from high school where she was a cheerleader, she moved to the city of San Antonio to start her university studies. After a brief job as a waitress, she was discovered by an agent, who got her an exclusive contract with the LA Direct Models modeling agency.

Kassidy left her native Texas to move to Los Angeles, where she entered the adult entertainment industry in the summer of 2016, at the age of 20. She won the AVN Award in the category of "Best New Starlet" in 2018.