Has an Olympic Hockey (Women) game ever ended 13-1?
Exactly once. On February 17, 2010, Canada beat Sweden 13-1, and no Olympic Hockey (Women) game before or since has ended that way. When it happened it was a scorigami, the first 13-1 in league history.
That makes 13-1 the 27th most common final score out of 41 that have ever occurred in Olympic Hockey (Women). One point away, 14-1 has happened never and 13-2 has happened never.