The oribatid mite genera Carinogalumna (Galumnidae) and Neoribates (Parakalummidae) are recorded for the first time in Indonesia. Two new species—Carinogalumna widyastutiae sp. nov. and Neoribates (Neoribates) klarneri sp. nov.—are described from soil and litter in rubber and oil palm plantation systems on the island of Sumatra. An identification key to the 28 known species of Neoribates from the Oriental region is provided.