Thienemann is a surname. Notable people with the surname include:
August Thienemann (1882–1960), German limnologist, zoologist and ecologist August Wilhelm Thienemann (1830–1884), German priest and ornithologist Johannes Thienemann (1863–1938), German ornithologist Ludwig Thienemann (1793–1858), German physician and naturalist (late 19th c.), Austrian architect. Modified Lutheran City Church and designed the Thienemannhof and Café Museum buildings in Vienna