Louis-Alphonse is a French given name. Notable people with the name include: Louis-Alphonse Boyer (1839–1916), Quebec merchant and political figure Louis Alphonse de Bourbon, pretender to the French throne Louis Alphonse de Brébisson, French botanist Louis-Alphonse de Valbelle, French bishop Louis Alphonse Gassion, French entertainer Louis Alphonse Koyagialo, Congolese politician

See also Alphonse (disambiguation)