McCarren is a surname. Notable people with the surname include:
Andrea McCarren, American television journalist Bernard McCarren (1831-1870) American soldier, Medal of Honor recipient Bill McCarren (1895–1983), American baseball player Larry McCarren (born 1951), American football center Louise McCarren Herring (1909–1987), American credit union pioneer Patrick H. McCarren (1849–1909), New York politician
See also McCarren Park, public park in the Greenpoint neighborhood of Brooklyn, New York City, USA McCarren-Walters Act, the U.S. Immigration and Nationality Act of 1952 McCarran International Airport serving Las Vegas, Nevada