provided are : a high - strength steel wire material which exhibits excellent cold - drawing properties and a high prescribed strength ; a high - strength steel wire produced from this high - strength steel wire material ; and a zinc - plated high - strength steel wire . this high - strength steel wire material is characterized by respectively including 0 . 80 - 1 . 3 % of c , 0 . 1 - 1 . 5 % of si , 0 . 1 - 1 . 5 % of mn , more than 0 % but not more than 0 . 03 % of p , more than 0 % but not more than 0 . 03 % of s , 0 . 02 - 0 . 2 % of ti , 0 . 01 - 0 . 10 % of al , and 0 . 001 - 0 . 006 % of n , the remainder comprising iron and unavoidable impurities . the high - strength steel wire material is further characterized in that the relationship in formula , namely 0 . 05 %≧≧) =, and represents the carbon content ), is satisfied .