Goals Against Average is goals allowed per 60 minutes by a goalie. Lower is better. Below are the top 6 NHL playoff players ranked by Playoff Goals Against Average for 1930-31.
| # | Player | Team | GAA |
|---|---|---|---|
| 1 | 1.00 | ||
| 2 | 1.32 | ||
| 3 | 1.72 | ||
| 4 | 1.75 | ||
| 5 | 2.28 | ||
| 6 | D. KerrDave Kerr 20YG | 4.00 |