The 1990 Abby Hoffman Cup was the ninth staging of Hockey Canada's Women's National Championships. The four-day competition was played in Lloydminster, Saskatchewan. Sherbrooke Christin Autos won the Abby Hoffman Cup for the third year in a row after a 5–1 win over Alberta's Edmonton Chimos.

The final game took place just one week after the first official IIHF Women's World Championships.Quebec wins women's hockey nationals" The Toronto Star, April 2, 1990, p. C11.

Teams participating British Columbia Edmonton Chimos, Alberta (Host) Saskatoon Saskies Saskatchewan 2 Manitoba North York Beatrice Aeros, Ontario Sherbrooke Christin Autos, Québec Moncton Right Spot, New Brunswick

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