The 2020–21 season will be Dumbarton Football Club's third in Scottish League One, the third tier of Scottish football, having finished sixth in the division in 2019–20. Dumbarton also competed in the Scottish League Cup and the Scottish Cup.
The 2020–21 season will be Dumbarton Football Club's third in Scottish League One, the third tier of Scottish football, having finished sixth in the division in 2019–20. Dumbarton also competed in the Scottish League Cup and the Scottish Cup. (en)