Thalmann is a surname of:
Alexander E. Thalmann (1992-2014), American police officer
Bruno Thalmann (1919–1975), German politician (LDPD)
Carmen Thalmann (born 1989), Austrian female alpine skier
Clara Thalmann, née Enser (1910–1987), Swiss female anarchist
Dionysius "Dionys" Thalmann (born 1953), Swiss sprint canoeist
Edward D. Thalmann (1945–2004), American Naval officer and hyperbaric medicine specialist who developed algorithms for deep-sea diving
Gaëlle Thalmann (born 1986), Swiss footballer
Jens Thalmann (born 1963), German motocross racer
Joachim Thalmann (born 1953), German musician, musicologist and journalist
Kerry L. Thalmann, American landscape photographer
Max Thalmann (1890–1944), German painter, woodcaver, graphic artist, illustrator and book artist
Paul Thalmann (1901–1980), Swiss author, editor, resistant, communist and anarchist
Richard Thalmann (1915–2002), Swiss Catholic theologian and priest
Sophie Thalmann (born 1976), French model, Miss France (1998)
