A disinfectant composition comprising a slightly acidic electrolyzed water and 0.001 to 1.0 wt%, relative to a total weight of the composition, of at least one selected from the group consisting of polyether-modified silicones represented by the following formula (1) and polyether-modified silicones represented by the following formula (2) as defined in claim 1.The composition has an excellent spreadability and a prolonged shelf life.