Mottet is a surname. It may refer to:
Benoît Mottet de La Fontaine (1745–1820), French navy officer and officer of colonies ministry Charly Mottet (born 1962), French cyclist Kacey Mottet Klein (born 1998), Swiss actress Killian Mottet (born 1991), Swiss ice hockey player Marvin Mottet (1930–2016), Roman Catholic priest in the Diocese of Davenport in Iowa Maxime Mottet (born 1991), Belgian trap shooter
See also Mottet baronets, or Mottet Baronetcy of Liège, title in the Baronetage of England