'''Wentzel''' and '''Wentzell''' are surnames, and may refer to:
== Wentzel == * Emil Wentzel (c. 1817–1892), timber merchant and politician in South Australia * Gregor Wentzel (1898–1978), German physicist * Stan Wentzel (1917–1991), Major League Baseball player * Sune Wentzel (born 1971), Norwegian frisbee player * Uta Wentzel (born 1979), German politician * Volkmar Wentzel (1915–2006), American photographer
'''Wentzel''' may also refer to: * Wentzel–Kramers–Brillouin approximation
== Wentzell == * Alexander D. Wentzell (born 1937), Russian-American mathematician * Fritz Wentzell (1899–1948), highly decorated German military leader during World War II
'''Wentzell''' may also refer to: * Freidlin–Wentzell theorem, a statistics tool relating to Brownian motion
{{surname|Wentzel}} {{surname|Wentzell}}
Category:German-language surnames Category:Surnames derived from given names