Peter MacCallum
| Sir Peter MacCallum | |
|---|---|
| Born | 14 July 1885 | 
| Died | 4 March 1974 (aged 88) | 
| Nationality | Scottish-born Australian | 
| Alma mater | University of Edinburgh | 
| Occupation | Oncologist | 
| Years active | 1924–1963 | 
| Employer | University of Melbourne | 
| Known for | 
 | 
| Spouses | 
 | 
| Military career | |
| Allegiance | 
 | 
| Branch | 
 | 
| Rank | Lieutenant colonel | 
| Commands | Australian Army Medical Corps (WWII) | 
| Battles | |
| Awards | Military Cross | 
Sir Peter MacCallum MC, FRSE, FRCPE (14 July 1885 – 4 March 1974) was a Scottish-born Australian oncologist and the co-founder and eponym of the Peter MacCallum Cancer Centre in Melbourne.