| Robert Bonnett | |
| Honorific-Suffix: | OBE |
| Constituency Mp: | Herbert |
| Parliament: | Australian |
| Predecessor: | Ted Harding |
| Successor: | Gordon Dean |
| Term Start: | 26 November 1966 |
| Term End: | 10 November 1977 |
| Birth Date: | 1916 9, df=yes |
| Birth Place: | Brisbane, Queensland |
| Nationality: | Australian |
| Party: | Liberal Party of Australia |
| Occupation: | Sales manager |
Robert Noel "Duke" Bonnett, OBE (1 September 1916 – 21 April 1994) was an Australian politician. Born in Brisbane, he was educated at state schools before becoming a sales manager at Townsville. He served in the military 1941–45. In 1966, he was elected to the Australian House of Representatives as the Liberal member for Herbert, defeating sitting Labor MP Ted Harding. He held the seat until his retirement in 1977. Bonnett died in 1994.[1]