The third federal electoral district of Chihuahua (Distrito electoral federal 03 de Chihuahua) is one of the 300 electoral districts into which Mexico is divided for the purpose of elections to the federal Chamber of Deputies and one of nine such districts currently operating in the state of Chihuahua.
It elects one deputy to the lower house of Congress for each three-year legislative period, by means of the first-past-the-post system.