| Election Name: | 2001 Tokyo prefectural election |
| Country: | Tokyo |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1997 Tokyo prefectural election |
| Previous Year: | 1997 |
| Next Election: | 2005 Tokyo prefectural election |
| Next Year: | 2005 |
| Seats For Election: | All 127 seats in the Tokyo Metropolitan Assembly |
| Majority Seats: | 64 |
| Turnout: | 50.08%(9.28%) |
| Election Date: | 26 June 2001 |
| Leader1: | Eita Yashiro |
| Party1: | Liberal Democratic Party (Japan) |
| Last Election1: | 54 |
| Seats Before1: | 54 |
| Seats1: | 53 |
| Seat Change1: | 1 |
| Popular Vote1: | 1,721,603 |
| Percentage1: | 35.96% |
| Leader2: | Yatsujiro Hashimoto |
| Party2: | Komeito |
| Last Election2: | 24 |
| Seats Before2: | 24 |
| Seats2: | 22 |
| Seat Change2: | 1 |
| Popular Vote2: | 722,464 |
| Percentage2: | 15.09% |
| Image3: | 民主 |
| Leader3: | Tetsundo Iwakuni |
| Party3: | Democratic Party (Japan, 1998) |
| Last Election3: | 12 |
| Seats Before3: | 12 |
| Seats3: | 22 |
| Seat Change3: | 10 |
| Popular Vote3: | 748,085 |
| Percentage3: | 13.53% |
| Image4: | 共産 |
| Party4: | Japanese Communist Party |
| Leader4: | Yoshiharu Wakabayashi |
| Leaders Seat4: | 1997 |
| Last Election4: | 26 |
| Seats Before4: | 26 |
| Seats4: | 15 |
| Seat Change4: | 11 |
| Popular Vote4: | 680,200 |
| Percentage4: | 15.63% |
| Image5: | ネット |
| Leader5: | Mitsuko Nishizaki |
| Party5: | Tokyo Seikatsusha Network |
| Last Election5: | 2 |
| Seats Before5: | 2 |
| Seats5: | 6 |
| Seat Change5: | 4 |
| Popular Vote5: | 137,489 |
| Percentage5: | 2.87% |
| Assembly President | |
| Before Election: | Morio Shibuya |
| Before Party: | Liberal Democratic Party of Japan |
| After Election: | Toshiya Mita |
| After Party: | Liberal Democratic Party of Japan |
Prefectural elections were held in Tokyo for the city's Metropolitan Assembly on June 24, 2001. The Liberal Democratic Party (LDP) and New Komeito Party secured their positions as ruling parties. Japanese Communist Party (JCP) lost almost half its seats while Democratic Party of Japan (DPJ) saw an increase by ten seats.
|-! style="background-color:#E9E9E9;text-align:left;" |Parties! style="background-color:#E9E9E9;text-align:right;" |Candidates! style="background-color:#E9E9E9;text-align:right;" |Votes! style="background-color:#E9E9E9;text-align:right;" |%! style="background-color:#E9E9E9;text-align:right;" |Seats|-| style="text-align:left;" |Liberal Democratic Party of Japan (自由民主党, Jiyū Minshutō)| style="text-align:right;" | 55| style="text-align:right;" | 1,721,603| style="text-align:right;" | 35.96| style="text-align:right;" | 53|-| style="text-align:left;" |New Komeito party (公明党, Kōmeitō)| style="text-align:right;" | 23| style="text-align:right;" | 722,464| style="text-align:right;" | 15.09| style="text-align:right;" | 23|-| style="text-align:left;" |Democratic Party of Japan (民主党, Minshutō)| style="text-align:right;" | 33| style="text-align:right;" | 647,572| style="text-align:right;" | 13.53| style="text-align:right;" | 22|-| style="text-align:left;" |Japanese Communist Party (日本共産党, Nihon Kyōsan-tō)| style="text-align:right;" | 44| style="text-align:right;" | 748,085| style="text-align:right;" | 15.63| style="text-align:right;" | 15|-| style="text-align:left;" |Tokyo Seikatsusha Network (東京・生活者ネットワーク)| style="text-align:right;" | 6| style="text-align:right;" | 137,489| style="text-align:right;" | 2.87| style="text-align:right;" | 6|-| style="text-align:left;" |Social Democratic Party (社民党 Shamin-tō)| style="text-align:right;" | 6| style="text-align:right;" | 68,055| style="text-align:right;" | 1.42| style="text-align:right;" | 0|-| style="text-align:left;" |Liberal Party (自由党, Jiyū-tō)| style="text-align:right;" | 13| style="text-align:right;" | 132,719| style="text-align:right;" | 2.77| style="text-align:right;" | 0|-| style="text-align:left;" |Others| style="text-align:right;" | 3| style="text-align:right;" | 49,224| style="text-align:right;" | 1.03| style="text-align:right;" | 1|-| style="text-align:left;" |Independents| style="text-align:right;" | 61| style="text-align:right;" | 560,245| style="text-align:right;" | 11.7| style="text-align:right;" | 7|-|style="text-align:left;background-color:#E9E9E9"|Total (turnout 50.08%)|width="75" style="text-align:right;background-color:#E9E9E9"| 244|width="75" style="text-align:right;background-color:#E9E9E9"| 4,862,229|width="30" style="text-align:right;background-color:#E9E9E9"| 100.00|width="30" style="text-align:right;background-color:#E9E9E9"| 127|-| style="text-align:left;" colspan=4 |Source:Tokyo electoral commissionhttp://www.senkyo.metro.tokyo.jp/data/data01_02_05.html, http://www.senkyo.metro.tokyo.jp/data/data01_02_01.html |}