| Tourney Name: | Manitoba Centennial Cup |
| Year: | 1990 |
| Size: | 150px |
| Dates: | May 1990 |
| Num Teams: | 5 |
| Venues: | Vernon, British Columbia |
| Type: | other |
| Winners: | Vernon Lakers |
| Count: | 1 |
| Second: | New Westminster Royals |
| Games: | 13 |
| Scoring Leader: | Kelly Jones (New Westminster) |
| Mvp: | Marc Alain Duchaine (Longueuil) |
| Prevseason: | 1989 |
| Nextseason: | 1991 |
The 1990 Centennial Cup is the 20th Junior "A" 1990 ice hockey National Championship for the Canadian Junior Hockey League.
The Centennial Cup was competed for by the winners of the Doyle Cup, Anavet Cup, Dudley Hewitt Cup, the Callaghan Cup, and a host city.
The tournament was hosted by the Vernon Lakers and Vernon, British Columbia.
Vernon Lakers defeated Longueuil Sieurs 6-1
Nipawin Hawks defeated Amherst Ramblers 4-3 in overtime
New Westminster Royals defeated Longueuil Sieurs 11-3
New Westminster Royals defeated Amherst Ramblers 9-0
Vernon Lakers defeated Nipawin Hawks 2-1 in overtime
Nipawin Hawks defeated Longueuil Sieurs 5-2
New Westminster Royals defeated Vernon Lakers 5-3
Vernon Lakers defeated Amherst Ramblers 8-2
Longueuil Sieurs defeated Amherst Ramblers 6-2
New Westminster Royals defeated Nipawin Hawks 3-2 for the Abbott Cup
Please note: Final was won in overtime.
Most Valuable Player: Marc Alain Duchaine (Longueuil Sieurs)
Top Scorer: Kelly Jones (New Westminster Royals)
Most Sportsmanlike Player: Kelly Jones (New Westminster Royals)
Forward
Mark Karpen (New Westminster Royals)
David Oliver (Vernon Lakers)
Al Wonitowy (Nipawin Hawks)Defence
Andrew Wolf (New Westminster Royals)
Dean Zayonce (Vernon Lakers)Goal
Lauren Belland (Nipawin Hawks)
New Westminster Royals
Avalon Jr. Capitals