Ruder

Ruder is a surname. Notable people with the surname include:


 * David Sturtevant Ruder (1929–2020), the William W. Gurley Memorial Professor of Law Emeritus at Northwestern University School of Law
 * Emil Ruder (1914–1970), Swiss typographer, graphic designer, co-founder of the Basel School of Design
 * Gardy Ruder (born 1954), German author and teacher who is now based in Baden-Württemberg
 * Henryk Ruder, Polish engineer
 * William Ruder, American public relations executive and co-founder of Ruder Finn with David Finn