PROBLEM TO BE SOLVED: To provide an oil-water separation filtration filter capable of separating and filtering a mixed liquid containing water and oil into water and oil at low cost with a simple configuration, and an oil-water separation filtration cartridge using the same. .. An oil-water separation filtration filter that separates an oil component from a mixed liquid and filters water by passing a mixed liquid containing water and oil, and the mixed liquid containing water and oil flows into the mixed liquid. A water-permeable porous substrate having a large number of pores penetrating between one surface and the other surface facing the one surface, and an inflow surface side of the porous substrate into which at least the mixed liquid flows. The oil-water separation layer comprises an oil-water separation layer formed in the above, and the oil-water separation layer has an oil-water separator containing a fluorine-based compound having an oil-repellent property-imparting group and a hydrophilicity-imparting group, and the fluorine-based compound is described below. Includes one or more of the compounds having the structure represented by the formula (1). [Chemical formula 1] [Selection diagram] Fig. 1
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