The Memorial Trophy is awarded to the DFHL's playoff champion.
| Season | Winner(s) |
|---|---|
| 38 | Boston Bruins defeated Quebec Nordiques, 4-3 |
| 37 | Detroit Red Wings defeated Kansas City Scouts, 4-2 |
| 36 | Cleveland Barons defeated Hamilton Tigers, 4-2 |
| 35 | Minnesota North Stars defeated Detroit Red Wings, 4-2 |
| 34 | Hamilton Tigers defeated Kansas City Scouts, 4-0 |
| 33 | Minnesota North Stars defeated Hamilton Tigers, 4-1 |
| 32 | Kansas City Scouts defeated Toronto Maple Leafs, 4-0 |
| 31 | Detroit Red Wings defeated Ottawa Senators, 4-2 |
| 30 | Minnesota North Stars defeated New York Americans, 4-0 |
| 29 | Chicago Black Hawks defeated Minnesota North Stars, 4-3 |
| 28 | Minnesota North Stars defeated Hamilton Tigers, 4-1 |
| 27 | Ottawa Senators defeated Chicago Black Hawks, 4-1 |
| 26 | Ottawa Senators defeated Detroit Red Wings, 4-3 |
| 25 | Ottawa Senators defeated Hamilton Tigers, 4-3 |
| 24 | Hamilton Tigers defeated Minnesota North Stars, 4-3 |
| 23 | Detroit Red Wings defeated Minnesota North Stars, 4-3 |
| 22 | Colorado Rockies defeated Montreal Canadiens, 4-3 |
| 21 | Cleveland Barons defeated New York Americans, 4-2 |
| 20 | New York Americans defeated Minnesota North Stars, 4-2 |
| 19 | New York Americans defeated Minnesota North Stars, 4-3 |
| 18 | Hamilton Tigers defeated Atlanta Flames, 4-0 |
| 17 | Atlanta Flames defeated Montreal Canadiens, 4-0 |
| 16 | Montreal Canadiens defeated Minnesota North Stars, 4-2 |
| 15 | Atlanta Flames defeated Hamilton Tigers, 4-2 |
| 14 | New York Americans defeated Colorado Rockies, 4-2 |
| 13 | Ottawa Senators defeated Boston Bruins, 4-2 |
| 12 | Minnesota North Stars defeated Hamilton Tigers, 4-0 |
| 11 | Minnesota North Stars defeated Chicago Black Hawks, 4-2 |
| 10 | Minnesota North Stars defeated New York Rangers, 4-0 |
| 9 | Toronto Maple Leafs defeated California Seals, 4-0 |
| 8 | Detroit Red Wings defeated Minnesota North Stars, 4-2 |
| 7 | Minnesota North Stars defeated Montreal Canadiens, 4-3 |
| 6 | Boston Bruins defeated Minnesota North Stars, 4-1 |
| 5 | Winnipeg Jets defeated Boston Bruins, 4-0 |
| 4 | Pittsburgh Pirates defeated Kansas City Scouts, 4-3 |
| 3 | Winnipeg Jets defeated Boston Bruins, 4-2 |
| 2 | Minnesota North Stars defeated Detroit Red Wings, 4-2 |
| 1 | New York Rangers defeated St. Louis Eagles, 4-3 |