Gianna Dior (born May 12, 1997) is an American pornographic film actress and erotic model.^[1] She is the winner of multiple awards including the 2020 AVN Award for Best New Starlet and the 2022 AVN Award for Female Performer of the Year.^[2]

Dior is of Italian descent. She was born in California on May 12, 1997^[3] and grew up in the state of Alabama. Both of her parents were in the military. Dior attended Auburn University, where she studied psychology.^[4] Before beginning her career in pornography, she worked as a waitress in a restaurant and as a receptionist.^[5]

After noticing Dior on Tinder, a porn agent in Miami approached her to shoot adult scenes. Following that, she made her debut at the age of 21 in May 2018.^[6] Her stage name Gianna Dior was chosen by her first agent who wanted to find something that recalled her Italian origins.^[7] In September 2018 she was named as the Penthouse Pet of the Month. In 2019, Dior became the Penthouse Pet of the Year.^[8]

In 2020, Dior rose to industry prominence by winning Best New Starlet Award at both the AVN and XRCO Awards.^[9] She also won the award for Best Boy/Girl sex scene with Mick Blue. This feat of winning the New Starlet Award and award for Best Boy/Girl sex scene was last achieved by Jenna Jameson in 1996. The same year, she did her first anal scene for Evil Angel with Markus Dupree. In 2022, at the AVN Awards she won four awards, including Female Performer of the Year, becoming the third actress ever to win the Best Performer Award after winning the Best New Starlet Award.^[10]

In March 2021, Dior became partially paralyzed due to rejection of vitamin B12 by her body which caused damage to her spinal cord. After one month of treatment and rehabilitation, she recuperated.^[11]