| Dates | August 28 – September 16, 2003 |
|---|---|
| Final positions | |
| Champions | Detroit Shock |
| Runners-up | Los Angeles Sparks |
| Tournament statistics | |
| Scoring leader (s) | Lisa Leslie (Los Angeles) (20.8 PPG) |
| Awards | |
| MVP | Ruth Riley (Detroit) |
The 2003 WNBA playoffs was the postseason for the Women's National Basketball Association's 2003 season which ended with the Eastern Conference champion Detroit Shock beating the Western Conference champion and two-time defending WNBA champion Los Angeles Sparks, 2-1. Ruth Riley was named the MVP of the Finals.
Eastern Conference
| Eastern Conference | W | L | PCT | GB | Home | Road | Conf. |
|---|---|---|---|---|---|---|---|
| Detroit Shock x | 25 | 9 | .735 | – | 13–4 | 12–5 | 18–6 |
| Charlotte Sting x | 18 | 16 | .529 | 7.0 | 13–4 | 5–12 | 12–12 |
| Connecticut Sun x | 18 | 16 | .529 | 7.0 | 10–7 | 8–9 | 11–13 |
| Cleveland Rockers x | 17 | 17 | .500 | 8.0 | 11–6 | 6–11 | 13–11 |
| Indiana Fever o | 16 | 18 | .471 | 9.0 | 11–6 | 5–12 | 12–12 |
| New York Liberty o | 16 | 18 | .471 | 9.0 | 11–6 | 5–12 | 11–13 |
| Washington Mystics o | 9 | 25 | .265 | 16.0 | 3–14 | 6–11 | 7–17 |
Western Conference
| Western Conference | W | L | PCT | GB | Home | Road | Conf. |
|---|---|---|---|---|---|---|---|
| Los Angeles Sparks x | 24 | 10 | .706 | – | 11–6 | 13–4 | 17–7 |
| Houston Comets x | 20 | 14 | .588 | 4.0 | 14–3 | 6–11 | 14–10 |
| Sacramento Monarchs x | 19 | 15 | .559 | 5.0 | 12–5 | 7–10 | 13–11 |
| Minnesota Lynx x | 18 | 16 | .529 | 6.0 | 11–6 | 7–10 | 14–10 |
| Seattle Storm o | 18 | 16 | .529 | 6.0 | 13–4 | 5–12 | 11–13 |
| San Antonio Silver Stars o | 12 | 22 | .353 | 12.0 | 9–8 | 3–14 | 10–14 |
| Phoenix Mercury o | 8 | 26 | .235 | 16.0 | 6–11 | 2–15 | 5–19 |
Note: Teams with an "X" clinched playoff spots.
| Conference semifinals Best-of-3 | Conference finals Best-of-3 | WNBA Finals Best-of-3 | ||||||||||||
| E1 | Detroit | 2 | ||||||||||||
| E4 | Cleveland | 1 | ||||||||||||
| E1 | Detroit | 2 | ||||||||||||
| Eastern Conference | ||||||||||||||
| E3 | Connecticut | 0 | ||||||||||||
| E2 | Charlotte | 0 | ||||||||||||
| E3 | Connecticut | 2 | ||||||||||||
| E1 | Detroit | 2 | ||||||||||||
| W1 | Los Angeles | 1 | ||||||||||||
| W1 | Los Angeles | 2 | ||||||||||||
| W4 | Minnesota | 1 | ||||||||||||
| W1 | Los Angeles | 2 | ||||||||||||
| Western Conference | ||||||||||||||
| W3 | Sacramento | 1 | ||||||||||||
| W2 | Houston | 1 | ||||||||||||
| W3 | Sacramento | 2 | ||||||||||||
- Detroit defeats Cleveland, 2-1
- Connecticut defeats Charlotte, 2-0
- Los Angeles defeats Minnesota, 2-1
- Sacramento defeats Houston, 2-1
- Detroit defeats Connecticut, 2-0
- Los Angeles defeats Sacramento, 2-1
- Detroit defeats Los Angeles, 2-1