1990-91 United States National Senior Championship

These were the 1990-91 United States National Senior Hockey Championships:
==Senior Open Championship==
@Fairbanks (3/28-31)
;First round
*Anchorage Aces - Seattle Indians 7:2
*Fairbanks Gold Kings - San Diego Surf 3:2
*San Diego Surf - Philadelphia Wings 7:2
*Anchorage Aces - Philadelphia Wings 5:3
*Seattle Indians - San Diego Surf 3:2
*Fairbanks Gold Kings - Seattle Indians 9:1
*Fairbanks Gold Kings - Philadelphia Wings 8:4
*Anchorage Aces - San Diego Surf 3:0
*Philadelphia Wings - Seattle Indians 7:4
*Fairbanks Gold Kings - Anchorage Aces 9:5 
;Final
*Anchorage Aces - Fairbanks Gold Kings 5:2 
;3rd place
*Philadelphia Wings - San Diego Surf 5:4 2OT
==Senior US Championship==
@Fond du Lac, WI
;First round
Incomplete
*4/4: New York St. Nicks - Fond du Lac Bears 8:2
*4/5: Fond du Lac Bears - St. Louis Flyers 9:2
*4/5: New York St. Nicks - Detroit Burkes Redhawks 8:6
*4/5: Chicago Chargers - Chicago Thunder 7:2
*4/5: St. Paul Parkers - Milwaukee Flyers 20:7 
*4/6: Fond du Lac Bears - Detroit Burkes Redhawks 10:1
*4/6: Chicago Chargers - St. Paul Parkers 8:3
*4/6: Chicago Thunder - Milwaukee Flyers 5:5
*4/6: New York St. Nicks - St. Louis Flyers 14:2
;Semifinals
*4/7: Chicago Chargers - Fond du Lac Bears 4:0
*4/7: New York St. Nicks - St. Paul Parkers
;Final
*4/7: Chicago Chargers - New York St. Nicks 6:4
==Sources==
*Fairbanks Daily News Miner
*Fond du Lac Reporter
Category:1991 in hockey