2009年静岡県知事選挙
選挙結果

開票の結果、政権交代直前であった、民主党・社会民主党・国民新党推薦の川勝平太が当選し、それまでの自民系候補の当選が続いていた静岡県知事でその牙城を崩した。
※当日有権者数：3,037,911人 最終投票率：61.06%（前回比：+16.57pts）
| 候補者名 | 年齢 | 所属党派 | 新旧別 | 得票数 | 得票率 | 推薦・支持 |
| --- | --- | --- | --- | --- | --- | --- |
| 川勝平太 | 60 | 無所属 | 新 | 728,706票 | 39.58% | 民主党・社会民主党・国民新党推薦 |
| 坂本由紀子 | 60 | 無所属 | 新 | 713,654票 | 38.76% | 自由民主党・公明党推薦 |
| 海野徹 | 60 | 無所属 | 新 | 332,952票 | 18.09% |  |
| 平野定義 | 59 | 日本共産党 | 新 | 65,669票 | 3.57% |  |
| 市町 | 川勝平太> 得票 | 川勝平太> % | 坂本由紀子> 得票 | 坂本由紀子> % | 海野徹> 得票 | 海野徹> % | 平野定義> 得票 | 平野定義> % |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 合計 | 728,706 | 39.58% | 713,654 | 38.76% | 332,952 | 18.09% | 65,669 | 3.57% |
| 静岡市葵区 | 41,922 | 33.10% | 36,603 | 28.90% | 43,033 | 33.98% | 5,098 | 4.03% |
| 静岡市駿河区 | 34,636 | 35.67% | 28,328 | 29.17% | 30,700 | 31.61% | 3,445 | 3.55% |
| 静岡市清水区 | 44,689 | 36.79% | 46,166 | 38.00% | 26,266 | 21.62% | 4,363 | 3.59% |
| 浜松市中区 | 51,547 | 46.32% | 36,285 | 32.60% | 19,074 | 17.14% | 4,383 | 3.94% |
| 浜松市東区 | 27,370 | 46.77% | 18,644 | 31.86% | 10,230 | 17.48% | 2,275 | 3.89% |
| 浜松市西区 | 25,185 | 44.35% | 19,555 | 34.44% | 10,141 | 17.86% | 1,902 | 3.35% |
| 浜松市南区 | 21,922 | 45.28% | 16,180 | 33.42% | 8,310 | 17.17% | 1,997 | 4.13% |
| 浜松市北区 | 20,431 | 42.17% | 18,054 | 37.27% | 8,150 | 16.82% | 1,809 | 3.73% |
| 浜松市浜北区 | 20,276 | 44.77% | 15,836 | 34.96% | 7,267 | 16.04% | 1,915 | 4.23% |
| 浜松市天竜区 | 8,259 | 38.01% | 10,078 | 46.38% | 2,713 | 12.48% | 681 | 3.13% |
| 沼津市 | 35,444 | 38.72% | 38,717 | 42.30% | 13,986 | 15.28% | 3,391 | 3.70% |
| 熱海市 | 7,087 | 39.75% | 8,419 | 47.22% | 1,474 | 8.27% | 850 | 4.77% |
| 三島市 | 20,763 | 37.13% | 26,287 | 47.01% | 6,974 | 12.47% | 1,892 | 3.38% |
| 富士宮市 | 23,380 | 41.16% | 22,985 | 40.47% | 8,346 | 14.69% | 2,088 | 3.68% |
| 伊東市 | 13,114 | 40.89% | 14,755 | 46.01% | 2,625 | 8.18% | 1,578 | 4.92% |
| 島田市 | 21,472 | 39.07% | 23,082 | 42.00% | 8,874 | 16.15% | 1,532 | 2.79% |
| 富士市 | 47,001 | 41.06% | 46,284 | 40.43% | 17,769 | 15.52% | 3,417 | 2.99% |
| 磐田市 | 36,002 | 43.53% | 29,048 | 35.12% | 14,691 | 17.76% | 2,971 | 3.59% |
| 焼津市 | 26,057 | 36.74% | 28,490 | 40.17% | 14,203 | 20.03% | 2,176 | 3.07% |
| 掛川市 | 24,093 | 39.19% | 25,262 | 41.09% | 9,038 | 14.70% | 3,087 | 5.02% |
| 藤枝市 | 30,765 | 41.00% | 27,500 | 36.65% | 14,249 | 18.99% | 2,527 | 3.37% |
| 御殿場市 | 13,052 | 33.69% | 19,012 | 49.07% | 5,489 | 14.17% | 1,191 | 3.07% |
| 袋井市 | 16,520 | 41.11% | 15,328 | 38.14% | 6,880 | 17.12% | 1,459 | 3.63% |
| 下田市 | 4,517 | 35.35% | 6,801 | 53.22% | 1,125 | 8.80% | 335 | 2.62% |
| 裾野市 | 10,514 | 41.79% | 10,548 | 41.92% | 3,426 | 13.62% | 674 | 2.68% |
| 湖西市 | 10,050 | 46.02% | 7,522 | 34.44% | 3,596 | 16.47% | 671 | 3.07% |
| 伊豆市 | 5,838 | 30.23% | 10,832 | 56.09% | 2,070 | 10.72% | 572 | 2.96% |
| 御前崎市 | 6,207 | 33.42% | 9,284 | 49.99% | 2,551 | 13.73% | 531 | 2.86% |
| 菊川市 | 10,682 | 41.87% | 10,628 | 41.65% | 3,234 | 12.67% | 971 | 3.81% |
| 伊豆の国市 | 8,576 | 35.49% | 12,031 | 49.78% | 2,661 | 11.01% | 898 | 3.72% |
| 牧之原市 | 9,304 | 35.26% | 11,910 | 45.14% | 4,492 | 17.02% | 679 | 2.57% |
| 東伊豆町 | 2,516 | 35.73% | 3,734 | 53.02% | 550 | 7.81% | 242 | 3.44% |
| 河津町 | 1,440 | 32.09% | 2,575 | 57.38% | 354 | 7.89% | 119 | 2.65% |
| 南伊豆町 | 1,795 | 32.47% | 2,999 | 54.24% | 579 | 10.47% | 156 | 2.82% |
| 松崎町 | 1,542 | 30.77% | 2,944 | 58.75% | 423 | 8.44% | 102 | 2.04% |
| 西伊豆町 | 1,747 | 29.29% | 3,630 | 60.85% | 473 | 7.93% | 115 | 1.93% |
| 函南町 | 6,926 | 37.41% | 8,428 | 45.52% | 2,443 | 13.20% | 716 | 3.87% |
| 清水町 | 5,821 | 39.14% | 6,530 | 43.91% | 1,999 | 13.44% | 522 | 3.51% |
| 長泉町 | 8,284 | 43.03% | 7,690 | 39.94% | 2,609 | 13.55% | 670 | 3.48% |
| 小山町 | 3,479 | 32.48% | 5,630 | 52.56% | 1,307 | 12.20% | 295 | 2.75% |
| 芝川町 | 2,066 | 37.87% | 2,484 | 45.53% | 692 | 12.68% | 214 | 3.92% |
| 吉田町 | 5,094 | 33.72% | 5,800 | 38.40% | 3,805 | 25.19% | 406 | 2.69% |
| 川根本町 | 1,872 | 30.90% | 3,107 | 51.29% | 955 | 15.76% | 124 | 2.05% |
| 森町 | 5,087 | 44.49% | 4,526 | 39.58% | 1,504 | 13.15% | 317 | 2.77% |
| 新居町 | 4,362 | 46.31% | 3,123 | 33.15% | 1,622 | 17.22% | 313 | 3.32% |