Robert Ian Sitch is an Australian director, producer, screenwriter, actor and comedian. He is known for his 1990s comedy series Frontline, and the long-running comedy series Utopia (since 2014).

Sitch attended St Kevin's College and Melbourne Grammar.^{[citation needed]} He graduated as a medical doctor^[1] from the University of Melbourne, and practised medicine for a short time.^[2]

Sitch is a member of the Working Dog production company, which has produced the television shows Frontline, A River Somewhere, The Panel, Thank God You're Here, and Utopia, as well as the feature films The Castle, The Dish, and Any Questions for Ben?. Sitch co-wrote and directed each of these films.^[1]

In 2006, to mark 50 years of television in Australia, the Nine Network special 50 Years 50 Stars listed Sitch at the 39th greatest living television star in Australia. Several of his programs, including The D-Generation and Frontline, were included in the earlier special, 50 Years 50 Shows, coming in at 50 and 22 respectively.^[3]

Sitch is also a co-author of the satirical Jetlag travel guides to Molvanîa, Phaic Tăn, and San Sombrèro.^[1]

Sitch is married to fellow Australian comedian Jane Kennedy. They have five children, including Joshua Sitch, who starred in ABC's Little Lunch.^[4] Sitch's brother Greg Sitch is an entertainment lawyer and producer who has worked with his brother on multiple projects including The Castle and Utopia.^[5]