To provide an anti-soiling detergent composition that has excellent detergency, endows cleaned surfaces with a pronounced anti-soiling effect, effectively sustains the anti-staining effect, possesses superb storage stability, and can be used on restrooms, sinks, baths, and other damp, hard surfaces.The anti-soiling detergent composition contains (A) 0.05 to 10 mass % of a polyetheramide-modified organopolysiloxane and/or amino-modified organopolysiloxane, (B) 0.1 to 30 mass % of a specific surfactant, (C) 0.1 to 20 mass % of a metal chelating agent, and (D) water.