Hjalmar Alcharoy Zambrano Zambrano (born 23 April 1971) is a retired Ecuadorian footballer (soccer), who played as a midfielder.
He was a member of the Ecuador national football team for three years, and obtained a total number of 5 caps during his career. He made his debut on 24 November 1992 in a friendly against Peru, scoring one goal, after having competed at the 1987 FIFA U-16 World Championship in Canada.