Gunkel (variant Gunckel) is a surname of German origin. Notable people with the name include:
Gunkel Claus Killing-Günkel (born 1963), German interlinguist Daniel Gunkel (1980), German football midfielder David J. Gunkel (born 1962), American academic Hermann Gunkel (1862–1932), German Old Testament scholar Patrick M. Gunkel (1947-2017), American futurist and founder of ideonomy, the science of ideas Ray Gunkel (1924–1972), American professional wrestler Red Gunkel (1894–1954), American Major League Baseball pitcher Wolfgang Gunkel (1948–2020), German rower
Gunckel Hugo Gunckel Lüer (1901–1997), Chilean pharmacist, botanist, and university professor Lewis B. Gunckel (1826–1903), American attorney, politician, and advocate