The QMJHL Humanitarian of the Year Award is awarded annually by the Quebec Maritimes Junior Hockey League (QMJHL) to one player for their humanitarianism and community involvement. The player also receives a plaque which is known as the Wittnauer Plaque, formerly known as the Karcher Plaque from 1992 to 1997.
| Season | Player | Team | |
|---|---|---|---|
| Karcher Plaque | |||
| Jean Nadeau | Shawinigan Cataractes | ||
| Val-d'Or Foreurs | |||
| Saint-Hyacinthe Laser | |||
| Drummondville Voltigeurs | |||
| Jason Groleau | Victoriaville Tigres | ||
| Wittnauer Plaque | |||
| David Thibeault | Victoriaville Tigres | ||
| Rimouski Océanic | |||
| Val-d'Or Foreurs | |||
| Ali MacEachern | Halifax Mooseheads | ||
| Shawinigan Cataractes | |||
| David Masse | Québec Remparts | ||
| A. J. MacLean | Halifax Mooseheads | ||
| Quebec Remparts | |||
| Rouyn-Noranda Huskies | |||
| Joey Ryan | Quebec Remparts | ||
| Roger Kennedy | Halifax Mooseheads | ||
| Chris Morehouse | |||
| Shawinigan Cataractes | |||
| Nick MacNeil | Cape Breton Screaming Eagles | ||
| Gabriel Lemieux | Shawinigan Cataractes | ||
| Vincent Barnard | Quebec Remparts | ||
| Halifax Mooseheads | |||
| Charles-David Beaudoin | Drummondville Voltigeurs | ||
| Blainville-Boisbriand Armada | |||
| Samuel Laberge | Rimouski Océanic | ||
| Rimouski Océanic | |||
| Chicoutimi Saguenéens | |||
| Rimouski Océanic | |||
| Drummondville Voltigeurs | |||
| Rimouski Océanic | |||
| Charlottetown Islanders | |||
| Cape Breton Eagles | |||
| Charlottetown Islanders | |||