May Day Riots

May Day Riots may refer to:


 * May Day riots of 1894 Cleveland, Ohio, U.S.
 * May Day riots of 1919, Cleveland, Ohio, U.S.
 * Bloody May Day, riots of May 1, 1952 in Tokyo, Japan
 * Evil May Day (1517), London, England
 * The 2000 disturbances in London associated with International Workers' Day (May Day)