Vauthier is a surname. Notable people with the surname include:
Alexandre Vauthier (born 1971), French fashion designer Antoine-Charles Vauthier (1790–1879), French botanist Arsène Marie Paul Vauthier (1885–1979), major general in the French Army Eugène Vauthier (1843–1910), French opera singer Jean Vauthier (1910–1992), French playwright Louis Constant Vauthier (1887–1963), Swiss internationalist physician Louis-Léger Vauthier (1815–1901), French engineer and politician; father of Pierre Marcel Vauthier (1910–1988), French politician Paul Moreau-Vauthier (1871–1936), French sculptor (1845-1916), French painter; son of Louis-Léger