| Election Name: | Des Moines mayoral election, 2003 |
| Flag Image: | File:Flag of Des Moines, Iowa.svg |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1999 Des Moines mayoral election |
| Previous Year: | 1999 |
| Next Election: | 2007 Des Moines mayoral election |
| Next Year: | 2007 |
| Election Date: | October 7, 2003 (first round) November 4, 2003 (runoff) |
| 1Blank: | First-round vote |
| 2Blank: | First-round percentage |
| 3Blank: | Second-round vote |
| 4Blank: | Second-round percentage |
| Candidate1: | Frank Cownie |
| Party1: | Democratic Party (United States) |
| 1Data1: | 4,330 |
| 2Data1: | 21.67% |
| 3Data1: | 16,581 |
| 4Data1: | 54.21% |
| Candidate2: | Chris Hensley |
| Party2: | Republican Party (United States) |
| 1Data2: | 7,301 |
| 2Data2: | 36.53% |
| 3Data2: | 13,848 |
| 4Data2: | 45.27% |
| Candidate4: | Mark McCormick |
| Party4: | Democratic Party (United States) |
| 1Data4: | 4,298 |
| 2Data4: | 21.51% |
| Candidate5: | Gayle Collins |
| Party5: | Democratic Party (United States) |
| 1Data5: | 3,456 |
| 2Data5: | 17.29% |
| Mayor | |
| Before Election: | Preston Daniels |
| Before Party: | Democratic Party (United States) |
| After Election: | Frank Cownie |
| After Party: | Democratic Party (United States) |
The 2003 Des Moines mayoral election was held on October 7, and November 4, 2003, to elect the mayor of Des Moines, Iowa, USA. Frank Cownie was elected.