Rupiah (Rp) waa lacagta rasmiga ah ee Indonesia. La soo saaray oo ay gacanta ku hayaan Bangiga Indonesia, ISO 4217 ee lacagta codeeynta ee rupiah Indonesia waa IDR. Magaca "Rupiah" waxaa laga soo qaatay ereyga Hindida rupiya (रुपीया), ugu dambeyntii Rupyakam Sanskrit (Sumida). Si aan rasmi ahayn, Indooniyaanka ayaa sidoo kale isticmaala ereyga "perak" ("lacag" oo ku taala Indonesian) iyaga oo tilmaamaya rupiah. Rupiah waxaa loo qaybiyaa 100 doolar, inkasta oo sicir bararku uu soo bandhigay dhammaan lacagta lacagta lagu shubo iyo balaayiin lacag ah oo loogu talagalay adiga oo aan dhicin. Jasiiradaha Riau iyo qeybtii Indonesian ee New Guinea (Irian Barat) waxay lahaayeen noocyo kala duwan oo ka mid ah rupiah, laakiin kuwan waxay ku xirnaayeen rupiah qaran 1964 iyo 1971 siday u kala horreeyaan (eeg Riau rupiah iyo West Irian Rupiah).