Louis-Alphonse

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