PROBLEM TO BE SOLVED: To provide a hair washing composition that is excellent in foam volume, foam quality, and finger's running-through-hair properties when washing, and also has excellent finger's running-through-hair properties even when rinsing, and further has a good feeling of unity of hair after drying.SOLUTION: A hair washing composition comprises an anionic surfactant and/or a nonionic surfactant, and a specific long-chain alkyl betaine type surfactant.