Elections to Poole Borough Council were held on 1 May 2003, alongside other local elections across the United Kingdom. The Conservative Party won the council from no overall control.
| Results[1] | ||||
|---|---|---|---|---|
| Party | Seatsbefore | Seatsafter | Change | |
| Conservative Party | 17 | 26 | 9 | |
| Liberal Democrats | 19 | 16 | 3 | |
| Labour Party | 3 | 0 | 3 | |