| Jean Milhau | |
| Birth Date: | 18 December 1929 |
| Birth Place: | Castelfranc, Lot département, France |
| Office: | Deputy Mayor of Cazals, Lot |
| Term Start: | 1959 |
| Term End: | 1965 |
| Office2: | Mayor of Cazals |
| Term Start2: | 1965 |
| Term End2: | 1995 |
| Office3: | Senator for the Lot Département |
| Term Start3: | 28 September 2008 |
| Term End3: | 30 September 2011 |
| Predecessor3: | André Boyer |
| Party: | European Democratic and Social Rally (French: Rassemblement démocratique et social européen, RDSE) Party: Radical Party of the Left (French: Parti radical de gauche, PRG) |
Jean Milhau (born 18 December 1929) is a retired French politician who was a member of the Senate of France, representing the Lot Département. He is a member of the Radical Party of the Left (fr|Parti radical de gauche, PRG).
A retired pharmacist, Milhau became a member of the Senate of France for the Lot Département on 25 September 2008, after the death of André Boyer, for whom he was deputy.