| Sir Thomas Sydney Richard Nettlefold | |
| Nationality: | Australian |
| Order: | 67th Lord Mayor of Melbourne |
| Term Start: | 1942 |
| Term End: | 1945 |
| Predecessor: | Sir Frank Beaurepaire |
| Successor: | Sir Francis Raymond Connelly |
| Birth Date: | 11 November 1879 |
| Birth Place: | Tunnack, Tasmania, Australia |
| Death Place: | Singapore |
Sir Thomas Sydney Richard Nettlefold (11 November 1879 - 20 July 1956) was an Australian businessman and politician, who served as Lord Mayor of Melbourne from 1942-1945.[1]