All but one analyst surveyed expected the key reference rate would be held at 7.50 percent, for the third consecutive month, after hefty rate hikes of 175 basis points between June and November.
Southeast Asia's largest economy remains vulnerable to portfolio funds selling the rupiah and the country's bonds as capital flows out of emerging economies spurred by tapering in US stimulus.
The poll also estimated that the bank will leave the deposit facility rate, or FASBI, and lending facility rate unchanged at 5.75 percent and 7.50 percent, respectively.