The 2018 World Juniors took place from December 26th through January 5th. The Habs had a trio of players participating in defenceman Victor Mete plus 2017 draft picks Ryan Poehling and Joni Ikonen. Here is how each player fared.
Joni Ikonen (Finland)
| Date | Opponent | G | A | PIMS | +/- | SOG | TOI |
| Dec. 26 | Canada | 0 | 0 | 0 | -1 | 1 | 19:22 |
| Dec. 28 | Denmark | 0 | 1 | 0 | +1 | 1 | 16:15 |
| Dec. 30 | Slovakia | 1 | 0 | 0 | E | 2 | 13:59 |
| Dec. 31 | USA | 0 | 0 | 0 | E | 0 | 5:51 |
| Jan. 2 | Czech Rep. | 0 | 0 | 0 | -1 | 2 | 17:50 |
| Totals | 1 | 1 | 0 | -1 | 6 | 73:17 | |
Victor Mete (Canada)
| Date | Opponent | G | A | PIMS | +/- | SOG | TOI |
| Dec. 26 | Finland | 0 | 1 | 0 | +3 | 3 | 21:04 |
| Dec. 27 | Slovakia | 0 | 1 | 0 | +3 | 4 | 25:36 |
| Dec. 29 | USA | 0 | 0 | 2 | E | 1 | 23:52 |
| Dec. 30 | Denmark | 0 | 0 | 0 | +1 | 2 | 7:39 |
| Jan. 2 | Switzerland | DNP – Lower-body injury | |||||
| Jan. 4 | Czech Rep. | 0 | 0 | 0 | +1 | 1 | 21:24 |
| Jan. 5 | Sweden | 0 | 1 | 0 | +3 | 1 | 21:57 |
| Totals | 0 | 3 | 2 | +11 | 12 | 121:32 | |
Mete was named Canada’s Player of the Game on December 26th.
Ryan Poehling (USA)
| Date | Opponent | G | A | PIMS | +/- | SOG | TOI |
| Dec. 26 | Denmark | 0 | 0 | 0 | +1 | 3 | 15:17 |
| Dec. 28 | Slovakia | 0 | 1 | 0 | E | 4 | 15:57 |
| Dec. 29 | Canada | 0 | 0 | 0 | E | 0 | 23:33 |
| Dec. 31 | Finland | 0 | 0 | 0 | -2 | 2 | 17:12 |
| Jan. 2 | Russia | 0 | 1 | 0 | +1 | 1 | 20:25 |
| Jan. 4 | Sweden | 0 | 0 | 0 | -1 | 2 | 17:43 |
| Jan. 5 | Czech Rep. | 1 | 0 | 0 | +2 | 3 | 17:09 |
| Totals | 1 | 2 | 0 | +1 | 15 | 127:24 | |
Over the years, many of the Canadiens and their prospects have played in this tournament. Here is a look at how each of those players performed.
Goalies
| Player | Year(s) | Country | Record | GAA | SV% | SO |
| Carey Price | 2007 | Canada | 6-0-0 | 1.14 | .961 | 2 |
| Zach Fucale | 2014/15 | Canada | 8-2-0 | 1.81 | .911 | 2 |
| Al Montoya | 2004/05 | USA | 9-3-0 | 2.39 | .920 | 2 |
Defence
| Player | Year(s) | Country | GP | G | A | PTS | PIMS |
| Jakub Jerabek | 2010/11 | Czech Rep. | 12 | 2 | 8 | 10 | 4 |
| Karl Alzner | 2007/08 | Canada | 13 | 1 | 2 | 3 | 2 |
| Noah Juulsen | 2017 | Canada | 7 | 0 | 2 | 2 | 4 |
| Shea Weber | 2005 | Canada | 6 | 0 | 0 | 0 | 10 |
Forwards
| Player | Year(s) | Country | GP | G | A | PTS | PIMS |
| Max Friberg | 2010/11 | Sweden | 12 | 11 | 2 | 13 | 26 |
| Jonathan Drouin | 2013/14 | Canada | 13 | 5 | 8 | 13 | 24 |
| Jacob de la Rose | 2013-2015 | Sweden | 20 | 5 | 5 | 10 | 32 |
| Tomas Plekanec | 2001/02 | Czech Rep. | 14 | 4 | 5 | 9 | 6 |
| Artturi Lehkonen | 2013-2015 | Finland | 16 | 6 | 3 | 9 | 12 |
| Ales Hemsky | 2002 | Czech Rep. | 7 | 3 | 6 | 9 | 6 |
| Alex Galchenyuk | 2013 | USA | 7 | 2 | 6 | 8 | 4 |
| Brendan Gallagher | 2012 | Canada | 6 | 3 | 3 | 6 | 12 |
| Charles Hudon | 2014 | Canada | 7 | 1 | 1 | 2 | 2 |
| Phillip Danault | 2013 | Canada | 6 | 0 | 1 | 1 | 2 |
| Markus Eisenschmid | 2014/15 | Germany | 13 | 1 | 0 | 1 | 10 |
| Max Pacioretty | 2008 | USA | 6 | 0 | 0 | 0 | 8 |
Spengler Cup
The Habs also had a prospect at the Spengler Cup as Jake Evans suited up for Canada, who took home the title for the third straight year.
Jake Evans (Canada)
| Date | Opponent | G | A | PIMS | +/- | SOG | TOI |
| Dec. 26 | Mountfield HK | 0 | 0 | 0 | -1 | 0 | 14:45 |
| Dec. 28 | HC Davos | 0 | 0 | 0 | E | 2 | 5:34 |
| Dec. 30 | Mountfield HK | 0 | 0 | 0 | -1 | 0 | 4:05 |
| Dec. 31 | Switzerland | 0 | 0 | 0 | +1 | 1 | 11:19 |
| Totals | 0 | 0 | 0 | -1 | 3 | 35:43 | |