Arsenault is a French surname. Notable people with the surname include:
Adrien Arsenault (1889-1941), Canadian politicianAdrienne Arsenault (born 1967), Canadian journalistAl Arsenault (born 1948), American musicianAngèle Arsenault (1943-2014), Canadian-Acadian musicianAubin-Edmond Arsenault (1870-1968), Canadian politicianBona Arsenault (1903-1993), Canadian politicianDamien Arsenault, Canadian politicianDaniel Arsenault, American photographerDuncan Arsenault (born 1974), American musicianFrank Arsenault (1919-1974), American percussionistJoseph F. H. Arsenault (1866-1946), Canadian politicianJoseph-Félix Arsenault (1865-1947), Canadian politicianJoseph-Octave Arsenault (1828-1897), Canadian politicianMary-Anne Arsenault (born 1968), Canadian curlerNina Arsenault (born 1974), Canadian transsexual writerNérée Arsenault (born 1911), Canadian politicianPierre Arsenault (born 1963), American baseball coachProsper Arsenault (1894-1987), Canadian politicianRaymond Arsenault (born 1948), American historianSamantha Arsenault (born 1981), American swimmerTélésphore Arsenault (1872-1964), Canadian politicianWilfred Arsenault (born 1953), Canadian politician