Films:
* The Year My Voice Broke (1987) - A coming-of-age story about a young boy in rural Australia.
* Flirting (1991) - A romantic comedy about a teenage girl who falls in love with her English teacher.
* Sirens (1994) - A comedic drama about a painter, a photographer, and a mermaid.
* The Leading Man (1996) - A romantic comedy starring Billy Crystal and Meg Ryan.
* Buffalo Soldiers (2001) - A war drama set in Germany during the Cold War.
* The Time Traveler's Wife (2009) - A romantic drama based on the novel by Audrey Niffenegger.
* The King Is Dead (2014) - A drama about a group of friends who reunite after their father's death.
* The Second Time Around (2015) - A comedy about a woman who falls in love with her former fiancé's son.
Television:
* The Slap (2011) - A miniseries based on the novel by Christos Tsiolkas.
* The Secret Life of Us (2001-2005) - Australian TV series.
Other:
* The Year My Voice Broke (1987) - Screenplay for his own film.
* Flirting (1991) - Screenplay for his own film.
* Sirens (1994) - Screenplay for his own film.
* The Leading Man (1996) - Screenplay for his own film.
* Buffalo Soldiers (2001) - Screenplay for his own film.
* The Time Traveler's Wife (2009) - Screenplay for his own film.
* The King Is Dead (2014) - Co-writer of the screenplay for his own film.
* The Second Time Around (2015) - Director and co-writer of the screenplay for his own film.
Duigan is known for his romantic comedies, his exploration of coming-of-age themes, and his nuanced portrayal of human relationships. He has received numerous awards for his work, including a Primetime Emmy Award for Outstanding Directing for a Miniseries, Movie or Dramatic Special for his work on "The Slap".