| Election Name: | 2006 Budapest mayoral election |
| Country: | Hungary |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2002 Budapest mayoral election |
| Previous Year: | 2002 |
| Next Election: | 2010 Budapest mayoral election |
| Next Year: | 2010 |
| Election Date: | 1 October 2006 |
| Turnout: | 55.89% |
| Mayor | |
| 1Blank: | Vote |
| 2Blank: | Percentage |
| Candidate1: | Gábor Demszky |
| Party1: | Alliance of Free Democrats |
| Alliance1: | SZDSZ - MSZP |
| 1Data1: | 362 289 |
| 2Data1: | 46.86% |
| Candidate2: | István Tarlós |
| Party2: | Independent (politician) |
| Alliance2: | Fidesz–KDNP |
| 1Data2: | 349 412 |
| 2Data2: | 45.20% |
| Candidate3: | Kálmán Katona |
| Party3: | Hungarian Democratic Forum |
| 1Data3: | 46 367 |
| 2Data3: | 6.00% |
| Before Election: | Gábor Demszky |
| Before Party: | SZDSZ |
| After Election: | Gábor Demszky |
| After Party: | SZDSZ |
The 2006 Budapest mayoral election was held on 1 October 2006 to elect the Mayor of Budapest (főpolgármester). On the same day, local elections were held throughout Hungary, including the districts of Budapest. The election was run using a First-past-the-post voting system. The winner of this election served for 4 years.
The election was won by four-time incumbent, Gábor Demszky.
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