Yokohama held a mayoral election on August 30, 2009. Fumiko Hayashi, backed by the Democratic Party, won the election.
| Mayoral election 2009: Yokohama | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| Independent, Democratic Party | Fumiko Hayashi | 910,297 | 45.85 | ||
| Independent, LDP, NKP | Kenji Nakanishi | 874,626 | 44.06 | ||
| JCP | Masahiko Okada | 200,283 | 10.09 | ||
| Turnout | 1,985,206 | 68.76 | |||