The 1912–13 Scottish football season was Celtic's 25th season of competitive football, in which they competed in the Scottish First Division.
[1] Celtic finished the league in 2nd place, as they had the year before.
They lost to Hearts in the 4th round of the Scottish Cup and thus it was the first season since 1902-03 in which they failed to win any major domestic honour.
Celtic won the Glasgow Charity Cup this season.