Has an Olympic Hockey (Men) game ever ended 20-0?

Exactly once. On February 1, 1924, United States beat Sweden 20-0, and no Olympic Hockey (Men) game before or since has ended that way. When it happened it was a scorigami, the first 20-0 in league history.

Where 20-0 sits among nearby Olympic Hockey (Men) scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 20-0 the 75th most common final score out of 99 that have ever occurred in Olympic Hockey (Men). One point away, 21-0 has happened never and 20-1 has happened never.

Every 20-0 in Olympic Hockey (Men) history

Date	Result	Season
1924-02-01	United States over Sweden	1924

Open the Olympic Hockey (Men) grid at 20-0