Nennius
/ˈnenɪəs/(fl. c.800)
- Welsh chronicler. He is traditionally credited with the compilation or revision of the Historia Britonum, which includes one of the earliest known accounts of King Arthur.内尼厄斯（生活于公元800年前后, 威尔士编年史家, 习惯上认为他编纂或修订了《不列颠民族史》, 其中对亚瑟王的记述是对亚瑟王最早的记述之一）。