Herman Ridder (March 5, 1851 – November 1, 1915) was an American newspaper publisher and editor.

In 1890 he became trustee and manager, and in 1907 president of the New Yorker Staats-Zeitung, then the largest and most influential daily paper printed in the German language in the United States.

In 1908 he was appointed treasurer of the Democratic National Committee, where he insisted on campaign finance transparency, then declined his re-appointment in 1912.

In 1918 George Sylvester Viereck told federal officials that in 1915 Ridder planned a to purchase a newspaper on behalf of propaganda for the German government.

[7] He died insolvent, having lost his means with the failure of the International Typesetting Machine Company at the start of World War I.