Oregon jiha ne daga jihohin ƙasar Tarayyar Amurka, a Arewa maso Yammacin ƙasar. Jihar Tarayyar Amurka ne daga shekara ta 1859. Babban birnin jihar Oregon, Salem ne. Jihar Oregon yana da yawan fili kimanin kilomita murabba’i 254,806, da yawan jama'a 4,142,776. Gwamnan jihar Oregon Kate Brown ce, daga zaben gwmanan a shekara ta 2014.