Has an Olympic Soccer (Men) game ever ended 5-0?
Yes. Olympic Soccer (Men) has seen a final score of 5-0 4 times. It first happened on May 26, 1924, when Hungary beat Poland, and most recently on June 1, 1924, when Sweden beat Egypt.
That makes 5-0 the 12th most common final score out of 27 that have ever occurred in Olympic Soccer (Men). One point away, 6-0 has happened 4 times and 5-1 has happened 6 times. Nearly all of its occurrences fall between 1920 and 1949.