'''Clemmer''' is a surname. Notable people with the surname include: * Ann Clemmer (born 1958), American political scientist and politician * David Clemmer, Canadian style expert * David E. Clemmer (born 1965), American analytical chemist * James Clemmer (died 1942), vaudeville and movie theater manager * Mary C. Ames (born Mary Clemmer, 1831–1884), American author *Richard L. Clemmer (born {{circa|1952}}), American business executive
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