i-Democratic Alliance (DA) yiqembu lezepolitiki laseNingizimu Afrika kanye neqembu eliphikisayo eliphambili kwi-African National Congress ebusayo. Iqembu njengamanje liholwa nguJohn Steenhuisen okwesikhashana. Iqembu lelo libusa Ntshonalanga Kapa kanye nomasipala abaningana e-Ningizimu Afrika yonkana. Iphathi likhululekile futhi likhulu kakhulu. Ililunga leLiberal International ne-Africa Liberal Network. I-DA isusa izimpande zayo ekusungulweni kweqembu eliphikisana nobandlululo ngonyaka we-1959, ngokuhlangana okuningi kanye nokushintshwa kwamagama phakathi kwalesosikhathi nokwamanje. Iqembu leDemocratic Party neNew National Party lahlangana ukwenza iDA emuva ngo-2000, nokho iDA ibikade inezindlela eziningi. UTony Leon ubengumholi wokuqala we-DA. Wasebenza kuze kube ngu-2007 lapho alandelwa nguHelen Zille. UZille uthathe umhlalaphansi njengomholi ngonyaka ka-2015 kwathi uMmusi Maimane wangena esikhundleni sakhe waba ngumholi wokuqala omnyama we-DA. UMaimane washiya isikhundla ngo-2019 kwathi uJohn Steenhuisen wangena esikhundleni sakhe. Iwebhusayithi esemthethweni Le-athikhili iyisigcino (isiNgisi: "a stub"). Ungakwazi ukusiza uWikipedia: ngokuyikhulisa.