Plus/minus compares goals for and goals against while the player is on the ice. Higher means the player's team outscored opponents more with him on the ice. Below are the top 152 NHL playoff players ranked by Playoff Plus Minus for 1969-70.
| # | Player | Team | +/- |
|---|---|---|---|
| 1 | B. OrrBobby Orr 21YD | 24 | |
| 2 | 19 | ||
| 3 | J. BucykJohnny Bucyk 34YLW | 13 | |
| 4 | 12 | ||
| 5 | 12 | ||
| 6 | 12 | ||
| 7 | K. HodgeKen Hodge 25YRW | 11 | |
| 8 | 10 | ||
| 9 | 10 | ||
| 10 | 10 | ||
| 11 | 10 | ||
| 12 | 8 | ||
| 13 | 7 | ||
| 14 | 6 | ||
| 15 | 5 | ||
| 16 | 5 | ||
| 17 | C. MakiChico Maki 29YRW | 5 | |
| 18 | 4 | ||
| 19 | 4 | ||
| 20 | 3 | ||
| 21 | 3 | ||
| 22 | 3 | ||
| 23 | 2 | ||
| 24 | G. SatherGlen Sather 25YLW | 2 | |
| 25 | B. HullBobby Hull 30YLW | 2 | |
| 26 | T. IrvineTed Irvine 24YLW | 2 | |
| 27 | 2 | ||
| 28 | 2 | ||
| 29 | 1 | ||
| 30 | 1 | ||
| 31 | 1 | ||
| 32 | 1 | ||
| 33 | 1 | ||
| 34 | 1 | ||
| 35 | 1 | ||
| 36 | 1 | ||
| 37 | D. GrantDanny Grant 23YLW | 1 | |
| 38 | 1 | ||
| 39 | 1 | ||
| 40 | 1 | ||
| 41 | 1 | ||
| 42 | 1 | ||
| 43 | 1 | ||
| 44 | D. VolmarDoug Volmar 24YRW | 1 | |
| 45 | 0 | ||
| 46 | 0 | ||
| 47 | 0 | ||
| 48 | 0 | ||
| 49 | 0 | ||
| 50 | 0 |