Fornier is a surname. Notable people with the surname include:

Jose Fornier (1913–1979), Filipino politician Jacques Fornier (1926–2020), French theatrical actor and director Jacques Fournier, birth name of Pope Benedict XII François Seydoux Fornier de Clausonne (1905–1981), French diplomat Léa Hélène Seydoux-Fornier de Clausonne, known as Léa Seydoux, French actress Tobias Fornier (1902–1964), Filipino politician and namesake of the municipality of Tobias Fornier, Antique

See also