| Election Name: | 2020 Salt Lake County mayoral election |
| Flag Image: | Salt Lake County, Utah logo.png |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2016 Salt Lake County mayoral election |
| Previous Year: | 2016 |
| Next Election: | 2024 Salt Lake County mayoral election |
| Next Year: | 2024 |
| Election Date: | November 3, 2020 |
| Image1: | 3x4.svg |
| Candidate1: | Jenny Wilson |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 273,746 |
| Percentage1: | 51.9% |
| Candidate2: | Trent Staggs |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 236,283 |
| Percentage2: | 44.8% |
| Mayor | |
| Before Election: | Jenny Wilson |
| Before Party: | Democratic |
| After Election: | Jenny Wilson |
| After Party: | Democratic |
The 2020 Salt Lake County mayoral election was held to elect the next mayor of Salt Lake County, Utah on November 3, 2020, alongside the presidential, House of Representatives and gubernatorial elections. This marked the sixth election to the office since the post was created in 2000.
On January 2, 2019, incumbent two-term County Mayor, Democrat Ben McAdams, resigned after being elected to represent Utah's 4th congressional district, triggering a 30-day deadline for the Salt Lake County Democratic Party Central Committee to vote for the replacement mayor.[1] On January 26, 2019, the Committee elected county councilwoman at-large Jenny Wilson, unsuccessful 2018 Senate candidate, to succeed McAdams.[2] No primary elections were held.[3] Wilson was re-elected to a full term, beating Republican candidate, Riverton city Mayor Trent Staggs in the general election.[4]