Goals Against Average is goals allowed per 60 minutes by a goalie. Lower is better. Below are the top 12 NHL playoff players ranked by Playoff Goals Against Average for 1973-74.
| # | Player | Team | GAA |
|---|---|---|---|
| 1 | 1.00 | ||
| 2 | 1.77 | ||
| 3 | 2.02 | ||
| 4 | 2.64 | ||
| 5 | 2.83 | ||
| 6 | 2.90 | ||
| 7 | 2.98 | ||
| 8 | 3.34 | ||
| 9 | 3.75 | ||
| 10 | 4.00 | ||
| 11 | P. MyrePhil Myre 24YG | 4.20 | |
| 12 | 6.00 |