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.

Frontline is an Australian comedy television series which satirised Australian television current affairs programmes and reporting. It ran for three series of 13 half-hour episodes and was broadcast on ABC1 in 1994, 1995 and 1997.