| Diana Rickard | |
| Fullname: | Diana Jeanette Rickard |
| National Team: | Australia |
| Strokes: | Backstroke, medley |
| Birth Date: | 5 October 1953 |
| Birth Place: | Sydney |
| Height: | 1.62m (05.31feet) |
| Weight: | 53kg (117lb) |
Diana Jeanette Rickard (born 5 October 1953), also known by her married name Diana van Hamburg, is an Australian former competition swimmer. She competed at the 1968 Summer Olympics in the 100-metre backstroke and 200-metre and 400-metre individual medley events, but failed to reach the finals.
She married the Dutch Olympic swimmer Roger van Hamburg. Since about 2000 they run a swimming school near Sydney, Australia. Their daughter Sasha is married to Adam Pine, also an Olympic swimmer.