Goals Against Average is goals allowed per 60 minutes by a goalie. Lower is better. Below are the top 16 NHL playoff players ranked by Playoff Goals Against Average for 1972-73.
| # | Player | Team | GAA |
|---|---|---|---|
| 1 | 1.76 | ||
| 2 | 2.00 | ||
| 3 | 2.57 | ||
| 4 | 2.61 | ||
| 5 | 2.67 | ||
| 6 | 2.90 | ||
| 7 | 3.09 | ||
| 8 | 3.38 | ||
| 9 | 3.43 | ||
| 10 | 4.00 | ||
| 11 | 4.53 | ||
| 12 | 4.59 | ||
| 13 | 5.00 | ||
| 14 | 5.25 | ||
| 15 | 5.94 | ||
| 16 | 9.00 |