Dollarka Maraykanka () (Astaanta: $; koodhka caalami: USD; sidoo kale loo soo gaabiyo: US$ loo yaqaano dollar, U.S. dollar, ama American dollar) waa lacagta dowliga ah ee wadana Maraykanka iyo dhamaan deegaanada ay ka taliso dowladaasi . Dollarka Mareykanka (calaamad: $; code: USD; sidoo kale waxaa loo soo gaabiyey US $ oo loo yaqaan USD, Dollar Dollar, ama Dollar Mareykanka) waa lacagta rasmiga ah ee Mareykanka iyo dhulalka qotoda dheer ee Dastuurka Maraykanka tan iyo 1792 Ujeedooyinka ugu badan ee la taaban karo, waxa loo qaybiyaa 100 qaybood oo yar (¢), laakiin marmar ayaa loo qaybiyaa 1000 miro (₥) ujeedooyin xisaabeed. Lacagta waraaqaha wareegsani waxay ka kooban tahay Fikradaha Kaydka ee Fedaraalka ah ee lagu calaamadiyay dollarka Maraykanka (12 USC § 418). Laga soo bilaabo ganaaxii 1971 oo ah beddelka lacagta caddaanka ah ee lacagta caddaanka ah ee metal kasta, Qiimaha Maraykanku waa lacag, xaqiiqda, lacagta fiatka Sida ugu badan ee loo isticmaalo macaamilada caalamiga ah, dollarka Mareykanka waa lacagta aasaasiga ah ee adduunka. Dhowr waddan ayaa u adeegsanaya lacagtooda rasmiga ah, iyo kuwa kale oo badani waa lacagta lacagta lagu leeyahay.