Pitkin is a surname. Notable people with the surname include:
Frederick Walker Pitkin, Governor of Colorado from 1879 to 1883 Hanna Fenichel Pitkin, writer and philosopher Henry Pitkin, American pioneer watchmaker, silversmith and businessman Joan Breslin Pitkin, American state delegate John R. G. Pitkin, American politician Lorraine J. Pitkin, American women's activist Timothy Pitkin, American congressman Walter B. Pitkin, American philosopher