Viot is a surname. Notable people with the surname include:
Bernard Viot (born 1937), French racing cyclist
Jacques Viot (1921–2012), French academic and diplomat
Jacques Viot (writer) (1898–1973), French novelist and screenwriter
Patrick Viot (1952–2021), French footballer
Pierre Viot (1925–2020), French executive
Vincent Viot (born 1994), French football goalkeeper
