| 1999 Phoenix Mercury season | |
|---|---|
| Coach | Cheryl Miller |
| Arena | America West Arena |
| Attendance | per game |
| Results | |
| Record | 15–17 (.469) |
| Place | 4th (Western) |
| Playoff finish | Did not qualify |
The 1999 WNBA season was the third season for the Phoenix Mercury. The Mercury failed to qualify for the postseason after advancing to the WNBA Finals during the previous year.