The 1918–19 Scottish football season was Celtic's 31st season of competitive football, in which they competed in the Scottish First Division.
[1] Celtic won the league title by one point over nearest rival Rangers, mirroring the narrow victory their Glasgow rivals had achieved the previous season.
It was Celtic's 15th league title, as well as their 24th major domestic honour.
For the fifth and last season, the Scottish Cup remained suspended because of World War I. Celtic remained title holders as they had been the last champions in 1914.