1978 WCHA men's ice hockey tournament

The 1978 WCHA Men's Ice Hockey Tournament was the 19th conference playoff in league history. The tournament was played between March 10 and March 15, 1978. All games were played at home team campus sites, including each of the two regional final series. By winning the regional tournaments, both Wisconsin and Colorado College were invited to participate in the 1978 NCAA Division I Men's Ice Hockey Tournament.

Though not official designations, Wisconsin is considered as the East Regional Champion† and Colorado College as the West Regional Champion‡.

Format
The top eight teams in the WCHA, according to their final conference standings, were eligible for the tournament and were seeded No. 1 through No. 8. In the first round the first and eighth seeds, the second and seventh seeds, the third and sixth seeds and the fourth and fifth seeds were matched in two-game series where the school that scored the higher number of goals was declared the winner. After the first round the remaining teams were reseeded No. 1 through No. 4 according to their final conference standings and advanced to the second round. In the second round the first and fourth seeds and the second and third seeds competed in an additional two-game, total goal series with the winners of each being declared as co-conference champions.

Conference standings
Note: GP = Games played; W = Wins; L = Losses; T = Ties; PTS = Points; GF = Goals For; GA = Goals Against

Bracket
Teams are reseeded after the first round

Note: * denotes overtime period(s)

Tournament awards
None