Dollarka Hong Kong (Shiinaha: Ganacsiga, Cantonese Yale: Góng bàih; saxiix: HKD; code: HKD) waa lacagta rasmiga ah ee Hong Kong. Waxaa loo qaybiyaa 100 senti. Hay'adda Hantidhawrka Hong Kong waa golaha lacagta dawlada iyo sidoo kale bangiga dhexe ee Hong Kong iyo Hong Kong iyo dollarka Hong Kong. Iyadoo la raacayo liisan ka socota Hay'adda Lacagta ee Hong Kong, saddex bangi ganacsi ayaa ruqsad u haysta in ay soo saaraan waraaqaha lacageed ee loogu talagalay wareegtada guud ee Hong Kong. Saddexda bangiyo ee ganacsiga, HSBC, Bank of China iyo Standard Chartered ayaa bixiya naqshadeynta lacagta lagu soo daabacay ee HK $ 20, HK $ 50, HK $ 100, HK $ 500 iyo HK $ 1000, iyada oo dhammaan naqshaduhu ay la mid yihiin kuwa kale ee isku mid ah bangiga. Si kastaba ha noqotee, HK $ 10 bangiga iyo lacagaha oo dhan waxaa bixiya Dawladda Hong Kong. Laga bilaabo Abriil 2016, lacagta Hong Kong waa lacagta saddexaad ee ugu badan dunida. Marka laga reebo isticmaalka Hong Kong, dollarka Hong Kong waxaa sidoo kale loo isticmaalaa Macau deriska ah, halkaasoo Hong Kong ay ku wareegsanyihiin wadada Macau.