The 1927 Allan Cup was the senior ice hockey championship for the Canadian Amateur Hockey Association for the 1926–27 season. According to CAHA president Frank Sandercock, the profit of C$16,000 from the 1927 Allan Cup exceeded the combined profits from 1923 to 1926.[1]
Best-of-three format:
Toronto Varsity Grads beat Fort William Thundering Herd 2–1, 1 tie on series.