A regional election took place in Poitou-Charentes on March 21 and March 28, 2004, along with all other regions. Ségolène Royal (PS) was elected president, defeating incumbent Élisabeth Morin (UMP).
| Candidate | Party | Votes (Round One) | % (Round One) | Votes (Round Two) | % (Round Two) | ||
|---|---|---|---|---|---|---|---|
| Ségolène Royal | PS-PRG-PCF-Verts | 350,466 | 46.29% | 448,950 | 55.10% | ||
| Élisabeth Morin | UMP-UDF-MPF | 249,373 | 32.93% | 294,959 | 36.20% | ||
| Jean-Romée Charbonneau | FN | 79,484 | 10.50% | 70,898 | 8.70% | ||
| Gérard Fontenay | CPNT | 43,645 | 5.76% | - | - | ||
| Claude Quemar | LO/LCR | 34,221 | 4.52% | - | - | ||
| Total | 757,189 | 100.00% | 814,807 | 100.00% |