The 2018–19 season is the 116th in the history of the Southern League since its establishment in 1894. The league (known as Evo-Stik League Southern, following a sponsorship deal with Evo-Stik) has two Premier divisions (Central and South) at step 3 of the National League System (NLS) and two Division One divisions (Central and South) at step 4 of the NLS.