| Election Name: | 2005 Cincinnati mayoral election |
| Flag Image: | Flag of Cincinnati, Ohio.svg |
| Country: | Cincinnati |
| Type: | Mayoral |
| Ongoing: | no |
| Previous Election: | 2001 Cincinnati mayoral election |
| Previous Year: | 2001 |
| Next Election: | 2009 Cincinnati mayoral election |
| Next Year: | 2009 |
| Election Date: | November 8, 2005 |
| Image1: | File:Mark Mallory.jpg |
| Candidate1: | Mark Mallory |
| Party1: | Nonpartisan candidate |
| Popular Vote1: | 37,206 |
| Percentage1: | 52.06% |
| Candidate2: | David A. Pepper |
| Party2: | Nonpartisan candidate |
| Popular Vote2: | 34,268 |
| Percentage2: | 47.94% |
| Mayor | |
| Before Election: | Charlie Luken |
| Before Party: | Democratic Party (United States) |
| After Election: | Mark Mallory |
| After Party: | Democratic Party (United States) |
The 2005 Cincinnati mayoral election took place on November 8, 2005, to elect the Mayor of Cincinnati, Ohio. The election was officially nonpartisan, with the top two candidates from the September 13 primary advancing to the general election, regardless of party.
While the election was nonpartisan, both Mallory and Pepper were known Democrats. Also a known Democrat was Alicia Reece, who was eliminated in the primary. Sylvan Grisco and Charlie Winburn, who were both eliminated in the primary, were known Republicans