This study aims to obtain bio surfactant-producing bacteria originating from the IPAL pond sludge of the palm oil industry at PT. Eka Dura Indonesia, Ujung Batu, Rokan Hulu, Riau Province. This research uses the survey method. Sludge samples are taken from the Contact pond by using a sample bottle, then put into a cooler, and taken to the laboratory. Next, 5 grams of sludge sample was weighed a…