| Election Name: | 2003 San Francisco District Attorney election |
| Country: | San Francisco |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1999 San Francisco District Attorney election |
| Previous Year: | 1999 |
| Next Election: | 2007 San Francisco District Attorney election |
| Next Year: | 2007 |
| Election Date: | November 4, 2003 (jungle primary) December 9, 2003 (runoff) |
| 1Blank: | First round vote |
| 2Blank: | First round percentage |
| 3Blank: | Runoff vote |
| 4Blank: | Runoff percentage |
| Image1: | Kamala Harris; March 30, 2004 Crop.jpg |
| Candidate1: | Kamala Harris |
| Party1: | Democratic Party (United States) |
| 1Data1: | 66,248 |
| 2Data1: | 33.65% |
| 3Data1: | 137,111 |
| 4Data1: | 56.49% |
| Candidate2: | Terence Hallinan |
| 1Data2: | 70,580 |
| 2Data2: | 35.85% |
| 3Data2: | 105,617 |
| 4Data2: | 43.51% |
| Party2: | Democratic Party (United States) |
| Image3: | Bill fazio Crop.jpg |
| Candidate3: | Bill Fazio |
| 1Data3: | 59,834 |
| 2Data3: | 30.39% |
| Party3: | Democratic Party (United States) |
| Map Size: | 300px |
| District Attorney | |
| Before Election: | Terence Hallinan |
| Before Party: | Democratic Party (United States) |
| After Election: | Kamala Harris |
| After Party: | Democratic Party (United States) |
The 2003 San Francisco District Attorney election was held on November 4, 2003, to elect the next District Attorney of San Francisco. The election, which was held alongside the 2003 mayoral election in which Supervisor Gavin Newsom won his first term as Mayor of San Francisco, was won by former assistant District Attorney Kamala Harris, who defeated the incumbent District Attorney, Terence Hallinan.