The Colgate Raiders represented Colgate University in ECAC women's ice hockey during the 2017–18 NCAA Division I women's ice hockey season. The season featured Colgate's first ECAC regular season championship, tied with Clarkson, and their first trip to the NCAA Tournament. The Raiders went all the way to the NCAA Championship, losing in overtime to their ECAC rival, Clarkson. In February, the team was ranked first in the nation by both national polls.
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