Thalmann is a surname of:
Alexander E. Thalmann (1992-2014), American police officerBruno Thalmann (1919–1975), German politician (LDPD)Carmen Thalmann (born 1989), Austrian female alpine skierClara Thalmann, née Enser (1910–1987), Swiss female anarchistDionysius "Dionys" Thalmann (born 1953), Swiss sprint canoeistEdward D. Thalmann (1945–2004), American Naval officer and hyperbaric medicine specialist who developed algorithms for deep-sea divingGaëlle Thalmann (born 1986), Swiss footballerJens Thalmann (born 1963), German motocross racerJoachim Thalmann (born 1953), German musician, musicologist and journalistKerry L. Thalmann, American landscape photographerMax Thalmann (1890–1944), German painter, woodcaver, graphic artist, illustrator and book artistPaul Thalmann (1901–1980), Swiss author, editor, resistant, communist and anarchistRichard Thalmann (1915–2002), Swiss Catholic theologian and priestSophie Thalmann (born 1976), French model, Miss France (1998)