Louisiana jiha ne daga jihohin ƙasar Tarayyar Amurka, a Kudancin ƙasar. Jihar Tarayyar Amurka ne daga shekara ta 1812. Babban birnin jihar Louisiana, Baton Rouge ne. Jihar Louisiana yana da yawan fili kimanin kilomita murabba’i 135,382, da yawan jama'a 4,659,978. Gwamnan jihar Louisiana John Bel Edwards ne, daga zaben gwamnan a shekara ta 2015. Tutar jihar Louisiana dake Amurka Babban gidan gwamnatin Louisiana Gurin wasanni a Louisiana Ponchatoula kenan a jihar Louisiana Layi a Arabi Louisiana Makarantan boko na firamare a Arabi Louisiana Babban ginin zamani a Arabi Louisiana Garin Grand Isle kenan a cikin jihar Louisiana