Iris Y. Martinez (born February 25, 1956) is an American politician and administrator. In 2020, she was elected Clerk of the Circuit Court of Cook County. She previously served as a member of the Illinois Senate, representing the 20th district since 2003. A member of the Democratic Party, she rose to Assistant Majority Leader in the State Senate. As court clerk and as a state senator, she is the first Latina to have held either of those offices.