| Election Name: | 2003 Indianapolis mayoral election |
| Country: | Indianapolis |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1999 Indianapolis mayoral election |
| Previous Year: | 1999 |
| Next Election: | 2007 Indianapolis mayoral election |
| Next Year: | 2007 |
| Election Date: | November 4, 2003 |
| Nominee1: | Bart Peterson |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 92,763 |
| Percentage1: | 62.62% |
| Nominee2: | Greg Jordan |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 55,354 |
| Percentage2: | 37.37% |
| Map Size: | 200px |
| Mayor | |
| Before Election: | Bart Peterson |
| Before Party: | Democratic Party (United States) |
| After Election: | Bart Peterson |
| After Party: | Democratic Party (United States) |
The Indianapolis mayoral election of 2003 took place on November 4, 2003. Voters elected the Mayor of Indianapolis, members of the Indianapolis City-County Council, as well as several other local officials. Incumbent Democrat Bart Peterson was reelected to a second term.
Primaries were held on May 6.
Peterson won reelection by a large margin.
2003 was a good year for Democrats in Indiana's mayoral elections, with the party winning control of the mayoralties of all of the state's top seven most populous cities for the first time since 1959.[1] The Democratic Party also won control of the mayoralties in twenty of the state's thirty cities with populations above 25,000.[1] Additionally, in 2003, Democrats won more than 56% of partisan mayoral races in Indiana.[2]
During the general election, Marion County, saw voter turnout of 27% in its various elections.[3]