2008年熊本県知事選挙
選挙結果

※当日有権者数：1,482,106人 最終投票率：49.36%（前回比：+10.69pts）
| 候補者名 | 年齢 | 所属党派 | 新旧別 | 得票数 | 得票率 | 推薦・支持 |
| --- | --- | --- | --- | --- | --- | --- |
| 蒲島郁夫 | 61 | 無所属 | 新 | 337,307票 | 46.67% |  |
| 鎌倉孝幸 | 61 | 無所属 | 新 | 132,263票 | 18.30% | 民主党推薦 |
| 北里敏明 | 59 | 無所属 | 新 | 105,180票 | 14.55% |  |
| 矢上雅義 | 47 | 無所属 | 新 | 102,134票 | 14.13% |  |
| 岩下栄一 | 61 | 無所属 | 新 | 45,872票 | 6.35% |  |
| 市区町村 | 蒲島郁夫> 得票 | 蒲島郁夫> % | 鎌倉孝幸> 得票 | 鎌倉孝幸> % | 北里敏明> 得票 | 北里敏明> % | 矢上雅義> 得票 | 矢上雅義> % | 岩下栄一> 得票 | 岩下栄一> % |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 合計 | 337,307 | 46.67% | 132,263 | 18.30% | 105,180 | 14.55% | 102,134 | 14.13% | 45,872 | 6.35% |
| 熊本市 | 91,685 | 41.01% | 47,390 | 21.20% | 38,838 | 17.37% | 23,718 | 10.61% | 21,932 | 9.81% |
| 八代市 | 21,706 | 43.73% | 9,510 | 19.16% | 5,440 | 10.96% | 10,458 | 21.07% | 2,523 | 5.08% |
| 人吉市 | 5,563 | 35.96% | 2,126 | 13.74% | 1,674 | 10.82% | 5,685 | 36.74% | 424 | 2.74% |
| 荒尾市 | 6,957 | 47.07% | 3,410 | 23.07% | 1,692 | 11.45% | 1,624 | 10.99% | 1,097 | 7.42% |
| 水俣市 | 4,920 | 42.48% | 3,476 | 30.01% | 749 | 6.47% | 1,999 | 17.26% | 439 | 3.79% |
| 玉名市 | 14,314 | 52.27% | 4,247 | 15.51% | 4,041 | 14.76% | 3,297 | 12.04% | 1,488 | 5.43% |
| 天草市 | 23,540 | 51.50% | 5,566 | 12.18% | 7,480 | 16.36% | 7,107 | 15.55% | 2,018 | 4.41% |
| 山鹿市 | 23,945 | 81.35% | 2,220 | 7.54% | 1,059 | 3.60% | 1,612 | 5.48% | 597 | 2.03% |
| 菊池市 | 13,519 | 62.05% | 2,822 | 12.95% | 2,432 | 11.16% | 2,065 | 9.48% | 949 | 4.36% |
| 宇土市 | 5,423 | 39.85% | 2,288 | 16.81% | 3,059 | 22.48% | 2,123 | 15.60% | 714 | 5.25% |
| 上天草市 | 6,201 | 45.89% | 1,981 | 14.66% | 2,385 | 17.65% | 2,250 | 16.65% | 697 | 5.16% |
| 宇城市 | 12,135 | 45.85% | 4,583 | 17.32% | 3,507 | 13.25% | 4,711 | 17.80% | 1,532 | 5.79% |
| 阿蘇市 | 3,005 | 19.65% | 8,624 | 56.39% | 2,161 | 14.13% | 802 | 5.24% | 701 | 4.58% |
| 合志市 | 9,413 | 47.19% | 3,960 | 19.85% | 2,610 | 13.08% | 2,542 | 12.74% | 1,423 | 7.13% |
| 城南町 | 2,993 | 37.99% | 1,477 | 18.75% | 1,591 | 20.20% | 1,305 | 16.57% | 512 | 6.50% |
| 富合町 | 1,288 | 36.70% | 604 | 17.21% | 862 | 24.56% | 562 | 16.01% | 194 | 5.53% |
| 美里町 | 3,200 | 54.18% | 934 | 15.81% | 541 | 9.16% | 949 | 16.07% | 282 | 4.77% |
| 玉東町 | 1,306 | 53.77% | 403 | 16.59% | 277 | 11.40% | 307 | 12.64% | 136 | 5.60% |
| 和水町 | 3,734 | 65.27% | 669 | 11.69% | 505 | 8.83% | 603 | 10.54% | 210 | 3.67% |
| 南関町 | 2,608 | 58.75% | 629 | 14.17% | 332 | 7.48% | 578 | 13.02% | 292 | 6.58% |
| 長洲町 | 3,367 | 51.56% | 992 | 15.19% | 889 | 13.61% | 901 | 13.80% | 381 | 5.83% |
| 植木町 | 8096 | 64.18% | 1542 | 12.22% | 1,378 | 10.92% | 1,112 | 8.81% | 487 | 3.86% |
| 大津町 | 5,676 | 50.04% | 2,301 | 20.29% | 1,476 | 13.01% | 1,217 | 10.73% | 673 | 5.93% |
| 菊陽町 | 4,981 | 42.76% | 2,950 | 25.32% | 1,650 | 14.16% | 1,221 | 10.48% | 848 | 7.28% |
| 南小国町 | 312 | 12.13% | 225 | 8.74% | 1,790 | 69.57% | 191 | 7.42% | 55 | 2.14% |
| 小国町 | 448 | 8.84% | 283 | 5.58% | 4,060 | 80.11% | 195 | 3.85% | 82 | 1.62% |
| 産山村 | 365 | 38.46% | 243 | 25.61% | 214 | 22.55% | 84 | 8.85% | 43 | 4.53% |
| 高森町 | 1,318 | 38.74% | 659 | 19.37% | 895 | 26.31% | 310 | 9.11% | 220 | 6.47% |
| 南阿蘇村 | 2,628 | 43.66% | 1,362 | 22.63% | 1,262 | 20.97% | 512 | 8.51% | 255 | 4.24% |
| 西原村 | 1,194 | 42.89% | 504 | 18.10% | 540 | 19.40% | 376 | 13.51% | 170 | 6.11% |
| 御船町 | 4,460 | 50.06% | 1,673 | 18.78% | 943 | 10.58% | 1,280 | 14.37% | 554 | 6.22% |
| 嘉島町 | 2,010 | 53.34% | 710 | 18.84% | 444 | 11.78% | 400 | 10.62% | 204 | 5.41% |
| 益城町 | 6,683 | 42.86% | 2,855 | 18.31% | 2,755 | 17.67% | 1,948 | 12.49% | 1,353 | 8.68% |
| 甲佐町 | 2,813 | 51.59% | 904 | 16.58% | 483 | 8.86% | 925 | 16.96% | 328 | 6.02% |
| 山都町 | 6,868 | 62.65% | 1,572 | 14.34% | 799 | 7.29% | 1,323 | 12.07% | 401 | 3.66% |
| 氷川町 | 2,619 | 44.89% | 915 | 15.68% | 502 | 8.60% | 1,420 | 24.34% | 378 | 6.48% |
| 芦北町 | 5,950 | 54.97% | 1,550 | 14.32% | 631 | 5.83% | 2,410 | 22.27% | 283 | 2.61% |
| 津奈木町 | 1,497 | 55.61% | 409 | 15.19% | 198 | 7.36% | 513 | 19.06% | 75 | 2.79% |
| 錦町 | 2,655 | 48.93% | 475 | 8.75% | 315 | 5.81% | 1,855 | 34.19% | 126 | 2.32% |
| あさぎり町 | 4,530 | 50.46% | 948 | 10.56% | 454 | 5.06% | 2,825 | 31.47% | 221 | 2.46% |
| 多良木町 | 2,746 | 49.23% | 533 | 9.56% | 374 | 6.70% | 1,770 | 31.73% | 155 | 2.78% |
| 湯前町 | 1,385 | 54.23% | 283 | 11.08% | 230 | 9.01% | 581 | 22.75% | 75 | 2.94% |
| 水上村 | 1,019 | 63.65% | 157 | 9.81% | 89 | 5.56% | 309 | 19.30% | 27 | 1.69% |
| 相良村 | 1,088 | 30.69% | 286 | 8.07% | 103 | 2.91% | 2,009 | 56.67% | 59 | 1.66% |
| 五木村 | 670 | 74.86% | 82 | 9.16% | 23 | 2.57% | 103 | 11.51% | 17 | 1.90% |
| 山江村 | 1,277 | 60.32% | 151 | 7.13% | 116 | 5.48% | 534 | 25.22% | 39 | 1.84% |
| 球磨村 | 1,533 | 52.77% | 291 | 10.02% | 107 | 3.68% | 928 | 31.94% | 46 | 1.58% |
| 苓北町 | 1,664 | 40.39% | 489 | 11.87% | 1,225 | 29.73% | 585 | 14.20% | 157 | 3.81% |