Wessely is the German variant of the Czech surname Veselý. Notable people with the surname include:
Clare Gerada, Lady Wessely (born 1959), British medical doctor
Josephine Wessely (1860–1887), Austrian actress Karl Wessely (1860–1931), Austrian papyrus scholar Karl Bernhard Wessely, (1768-1826). Prussian composer. Kurt von Wessely (died 1917), Austrian tennis player Naphtali Hirz Wessely (1725–1805), German Hebraist and educator. Paula Wessely (1907–2000), Austrian actress Peter Wessely (born 1959), Austrian author Rudolf Wessely (1925–2016), Austrian actor Simon Wessely (born 1956), British psychiatrist
See also Ferdinand Wesely Veselí (disambiguation) Veselý, a surname