Has a La Liga game ever ended 11-1?

Exactly once. On September 29, 1940, Sevilla FC beat FC Barcelona 11-1, and no La Liga game before or since has ended that way. When it happened it was a scorigami, the first 11-1 in league history.

Where 11-1 sits among nearby La Liga scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 11-1 the 41st most common final score out of 51 that have ever occurred in La Liga. One point away, 12-1 has happened 1 times and 11-2 has happened 1 times.

Every 11-1 in La Liga history

Date	Result	Season
1940-09-29	Sevilla FC over FC Barcelona	1940

Open the La Liga grid at 11-1