The 2018-19 Botswana First Division South was the 54th season of the Botswana First Division South since its inception in 1966.
It was played from August to May.
Gilport Lions were crowned champions.
Teams promoted from Botswana Division One Teams relegated from Botswana Premier League Teams promoted to Botswana Premier League Teams relegated to Botswana Division One Stadiums and locations rsssf.com