A regional election took place in Brittany, France, on March 15, 1998, along with all other regions.
| Party | Votes[1] | % | Seats | |
|---|---|---|---|---|
| UDF | 330,210 | 27.12% | 17 | |
| RPR | 114,851 | 9.44% | 17 | |
| Miscellaneous Right | 26,302 | 2.17% | 3 | |
| RPR-UDF | 471,363 | 38.73% | 37 | |
| PS-PCF-PRG-Les Verts | 415,789 | 34.15% | 31 | |
| The Greens | 17,092 | 1.41% | 3 | |
| Left | 432,881 | 35.56% | 34 | |
| FN | 100,739 | 8.28% | 7 | |
| LCR-LO | 89,108 | 7.32% | 3 | |
| Others | 85,609 | 7.04% | 1 CPNT | |
| GE | 37,907 | 3.12% | 1 | |
| Total | 1,217,607 | 100.00% | 83 | |
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