A liquid shampoo composition having both superior stability at low temperatures and a conditioning property, which contains (a) an anionic surface active agent (I) represented by the general formula:OS--M(wherein OS is an acid residue of a straight-chained olefin sulfonate having an average carbon number of 10 to 16, and M is an alkali- or alkaline earth metal)in an amount of 3 to 30% by weight of the composition weight; (b) at least one member selected from the group consisting of an anionic surface active agent (II) represented by the general formula:PS--N(wherein PS is an acid residue of a branched alkyl sulfonate having an average carbon number of 10 to 18, and M is an alkali- or alkaline earth metal)and an ampholytic surface active agent represented by the general formula: ##STR1## (wherein R.sub.1 is a straight-chained or branched alkyl radical having an average carbon number of 10 to 18, both R.sub.2 and R.sub.3 are independently alkyl radicals having a carbon number of 1 to 3, R.sub.4 is an alkylene radical having a carbon number of 1 to 3, and B is H or OH radical)in an amount of 1 to 15% by weight of the composition weight; and (c) a phosphoric ester represented by the general formula: ##STR2## (wherein R.sub.1 is a straight-chained or branched alkyl radical having an average carbon number of 10 to 18; R.sub.5 is H or an alkyl radical having a carbon number of 1 or 2; n is an integer of 5 to 15; and x is 1 when ##STR3## in an amount of 0.3 to 7% by weight of the composition weight.