Tiffany Dupont (born March 22, 1981^[1][2]) is an American actress, known for playing the lead character, Hadassah, a Jewish girl who will become the Biblical Esther, Queen of Persia, in the Hollywood film One Night with the King. From 2007 to 2009, Dupont co-starred on the ABC Family series Greek, where she played Frannie, who was head of the Iota Kappa Iota house which she founded on campus to rival ZBZ.

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Dupont grew up in Burke, Virginia, attending high school at Lake Braddock Secondary School. She has stated that she is of half Italian and half Dutch descent; she also has one-eighth Surinamese and Guyanese ancestry.^[3] While in school, she was active in orchestra, various athletics, as well as high school theatre. She is a graduate of the University of Georgia and also served as Miss University of Georgia during her junior year. While attending the University of Georgia, she was a violinist and original member of The Dave Matthews Cover Band, a nationally touring tribute act.

Dupont has been described as a "committed Christian" and at the time of her appearance as Esther said she only wanted to play wholesome roles.^[2] In September 2021, Dupont announced on her Instagram that she was engaged to her boyfriend of two years, Cristiano Green and that she was also expecting their first child.^[4] In October 2021, she announced the birth of their daughter, Venice Louise via Instagram.^[4] In November 2023, Dupont announced via her Instagram that she and her husband had divorced.