| 1998 Phoenix Mercury season | |
|---|---|
| Coach | Cheryl Miller |
| Arena | America West Arena |
| Attendance | 13,765 per game |
| Results | |
| Record | 19–11 (.633) |
| Place | 2nd (Western) |
| Playoff finish | Lost WNBA Finals (2-1) to Houston Comets |
The 1998 WNBA season was the second season for the Phoenix Mercury. The Mercury reached their first WNBA Finals, but championship hopes were denied when they lost to the Houston Comets in three games.