Chappuis (French: [ʃa.pɥi]) is a French-language surname from the Arpitan region of eastern France and Francophone Switzerland with various spellings. Notable people with the surname include:

• Robert "Bob" Richard Chappuis (1923–2012), American football player
• Charyl Chappuis, Swiss-Thai footballer
• Eduardo Dibós Chappuis (called "Chachi"), Peruvian politician
• Eliane Cat-Tuong Chappuis (born 1978), model, actress, singer, producer of Swiss descent
• Friedrich-Wilhelm von Chappuis (1886–1942), General der Infanterie
• James Chappuis (1854–1934), French chemist
• Jason Lamy-Chappuis (born 1986, Missoula, Montana, USA), Franco-American ski jumper and cross-country skier
• Liliane Chappuis (1955–2007), Swiss politician
• Marie de Sales Chappuis, aka Marie-Thérèse Chappuis, Roman Catholic abbess
• Paul Emile Chappuis (1816–1887), French photographer, inventor, and manufacturer
• Philippe Chappuis (born 1967), Swiss comics creator
• Eustace Chapuys (c. 1490/92–21 January 1556), Savoyard diplomat

There is also a scientific term named after the French chemist James Chappuis.

• Chappuis absorption, absorption bands in the ozone layer

• Musée Chappuis-Fähndrich, Develier, Canton of Jura, Switzerland
• Chapuis

This page lists people with the surname Chappuis.
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