The South Lebanon Army (SLA), also "South Lebanese Army," (Arabic, transliterated: Jaysh Lubnān al-Janūbi.

Hebrew, transliterated: Tzvá Dróm Levanón, Tzadál) is a Lebanese militia during the Lebanese Civil War.

After 1979, the militia operates in southern Lebanon under the authority of Saad Haddad's Government of Free Lebanon.

It is supported by Israel during the 1982–2000 South Lebanon conflict to fight against both the Palestine Liberation Organisation (PLO) and Hezbollah.