Patrick Duffy (gebore 17 Maart 1949) is 'n Amerikaanse akteur, regisseur, en vervaardiger. Hy is bekend vir sy rolle in die rolprent You Again (2010) en in die televisiereekse Dallas (1978) en Step by Step (1991).
- 1984: Vamping
- 2009: He's Such a Girl
- 2010: You Again
- 2016: Hotel Dallas
- 1977: Man from Atlantis
- 1978: Dallas
- 1982: Festa É Festa
- 1982: exclusiv
- 1991: Step by Step
- 1991: One on One with John Tesh
- 1995: The Clive James Show
- 2008: Bingo America
- 2012: Dallas
- 1976: The Last of Mrs. Lincoln
- 1980: Enola Gay: The Men, the Mission, the Atomic Bomb
- 1982: Cry for the Strangers
- 1986: Captain Eo Grand Opening
- 1987: Strong Medicine
- 1987: The Beach Boys: 25 Years Together
- 1988: Too Good to Be True
- 1988: Unholy Matrimony
- 1990: Murder C.O.D.
- 1991: Daddy
- 1994: Texas
- 1994: ABC Sneak Peek with Step by Step
- 1994: Will You Marry Me?
- 1995: The Ultimate TV Trivia Challenge
- 1996: Dallas: J.R. Returns
- 1996: The Hunchback of Notre Dame Festival of Fun Musical Spectacular
- 1997: Heart of Fire
- 1998: Dallas: War of the Ewings
- 1999: Don't Look Behind You
- 2000: Cameras Rolling: 20 Days on Set
- 2002: TVography: Suzanne Somers - Mastering Success
- 2002: After Dallas
- 2004: Dallas Reunion: Return to Southfork
- 2006: Falling in Love with the Girl Next Door
- 2006: Desolation Canyon
- 2007: Bring Back... Dallas
- 2010: Healing Hands
- 2017: The Christmas Cure
- 2018: Christmas With a View
- 2000: Perfect Game
- 2009: Everything Is Terrible: The Movie
- 2010: Dallas VIP: 30 Year Reunion at Southfork Ranch
