PROBLEM TO BE SOLVED: To provide a shampoo composition excellent in all of quickness of foaming, smoothness of the foam, elasticity of the foam, usability, and moist feeling.SOLUTION: The shampoo composition containing (a) an anionic surfactant, (b) an amphoteric surfactants, (c) a nonionic surfactant, and (d) a cationic polymer contains (i) alkyl sulfuric acid triethanolamine and (ii) N-acylamino acid salt as (a) contains polyoxyethylene alkyl ether with an HLB value ranging from 16.5 or more to 19.5 or less as (c). The content of (c) is 0.5 mass% or more to 3.0 mass% or less.SELECTED DRAWING: Figure 1