| Election Name: | 2008 Salt Lake County mayoral election |
| Country: | Salt Lake County |
| Flag Image: | Salt Lake County, Utah logo.png |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2004 Salt Lake County mayoral election |
| Previous Year: | 2004 |
| Next Election: | 2012 Salt Lake County mayoral election |
| Next Year: | 2012 |
| Election Date: | November 4, 2008 |
| Image1: | File:Peter Corroon.jpg |
| Candidate1: | Peter Corroon |
| Party1: | Utah Democratic Party |
| Popular Vote1: | 233,655 |
| Percentage1: | 65.78% |
| Candidate2: | Michael Renckert |
| Party2: | Utah Republican Party |
| Popular Vote2: | 114,097 |
| Percentage2: | 32.12% |
| Mayor | |
| Before Election: | Peter Corroon |
| Before Party: | Democratic |
| After Election: | Peter Corroon |
| After Party: | Democratic |
The 2008 Salt Lake County mayoral election was held to elect the Mayor of Salt Lake County, Utah on November 4, 2008, alongside the presidential, House of Representatives and gubernatorial elections. This marked the third election to the office since the post was created in 2000.
Popular incumbent Democrat Peter Corroon was elected in a nearly 2 to 1 landslide against token Republican opposition. In the same election cycle, Salt Lake County narrowly voted for Democrat Barack Obama for president, but also voted for incumbent Republican Governor Jon Huntsman Jr.