Has an NHL game ever ended 15-0?

Exactly once. On January 23, 1944, Detroit Red Wings beat New York Rangers 15-0, and no NHL game before or since has ended that way. When it happened it was a scorigami, the first 15-0 in league history.

Where 15-0 sits among nearby NHL scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 15-0 the 82nd most common final score out of 95 that have ever occurred in NHL. One point away, 16-0 has happened never and 15-1 has happened never.

Every 15-0 in NHL history

Date	Result	Season
1944-01-23	Detroit Red Wings over New York Rangers	1943

Open the NHL grid at 15-0