| Election Name: | 2003 Test Valley Borough Council election |
| Election Date: | 1 May 2003 |
| Popular Vote3: | 1,138 |
| Seats3: | 2 |
| Party3: | Independent politician |
| Majority Seats: | 24 |
| Party2: | Liberal Democrats (UK) |
| Seats For Election: | All 48 seats to Test Valley Borough Council |
| Next Year: | 2007 |
| Next Election: | 2007 Test Valley Borough Council election |
| Previous Year: | 1999 |
| Previous Election: | 1999 Test Valley Borough Council election |
| Type: | Parliamentary |
| Percentage3: | 3.46% |
| After Election: | Conservatives |
| Before Election: | Conservatives |
| Posttitle: | Council control after election |
| Council control | |
| Percentage1: | 52.20% |
| Popular Vote1: | 17,121 |
| Seats1: | 30 |
| Party1: | Conservative Party (UK) |
| Percentage2: | 35.95% |
| Popular Vote2: | 11,793 |
| Seats2: | 16 |
The 2003 Test Valley Borough Council election took place on the 1 May 2003. With new ward boundaries, all 48 seats were up for election.[1] 24 seats were needed for a majority, with the Conservatives winning 30; the Liberal Democrats won 16 seats, and Independents won 2.[2]
|-bgcolor=#F6F6F6| colspan=2 style="text-align: right; margin-right: 1em" | Total| style="text-align: right;" | 48| colspan=5 || style="text-align: right;" | 32,796| style="text-align: right;" ||-