Antonia Eugenia "Nia" Vardalos (born September 24, 1962) is a Canadian-American actress, screenwriter, and producer of Greek descent. Her most notable work is the 2002 film My Big Fat Greek Wedding, which was based on a one-woman stage play she dramatized and in which she starred.
Vardalos was born in Winnipeg, Manitoba on September 24, 1962. She is the daughter of Greek Canadian parents Doreen Christakis, a bookkeeper and homemaker, and Constantine "Gus" Vardalos, a land developer. She attended St. George School and Shaftesbury High School in Winnipeg and Ryerson University in Toronto. She married American actor Ian Gomez on September 5, 1993. Gomez converted to Greek Orthodoxy prior to marrying her. In 2008, they adopted a daughter named Ilaria. She posted an advice column about the adoption process at The Huffington Post. She became a U.S. citizen in 1999.
An alumna of the Chicago-based Second City comedy repertory company, Vardalos had many small roles in television shows such as The Drew Carey Show and Two Guys and a Girl; in addition, she provided voices for the 1996 radio adaptation of Star Wars: Return of the Jedi which Brian Daley had written for National Public Radio.