| Honorific-Prefix: | The Honourable Justice |
| Robert Anthony Mazza | |
| Nationality: | Australian |
| Office: | Justice of Appeal of the Supreme Court of Western Australia (Court of Appeal) |
| Term Start: | 16 December 2011[1] |
| Office2: | Judge of the Supreme Court of Western Australia (General Division) |
| Term Start2: | 8 March 2010 |
| Term End2: | 15 December 2011 |
| Office3: | Judge of the District Court of Western Australia |
| Term Start3: | 10 Feb 2004[2] |
| Term End3: | 7 March 2010 |
Robert Mazza is a judge of the Court of Appeal of the Supreme Court of Western Australia and former judge of the District Court of Western Australia. Before his appointment he founded his own law firm. He is a graduate of the University of Western Australia.