Tiemann is a surname. Notable people with the surname include:
Christoph Tiemann (born 1977), German actor, writer, playwright, audio theatre producer and broadcaster Daniel F. Tiemann (1805–1899), mayor of New York Dietlind Tiemann (born 1955), German politician (CDU) Edmund C. Tiemann (1922–2009), American businessman, politician, and military officer Ferdinand Tiemann (1848–1899), German chemist and discoverer of the Reimer–Tiemann reaction Norbert Tiemann (1924–2012), American politician Marcel Tiemann (born 1974), German racing driver Neal Tiemann (born 1982), American guitarist Michael Tiemann, free software programmer Robert L. Tiemann, American baseball historian and author Otto Tiemann (1890–1952), German Wehrmacht general
See also Tiemann's catheter
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