贝德维尔（Bedivere），英国亚瑟王传奇中圆桌骑士之一，忠贞不贰，亚瑟王将死时，贝德维尔受命将王者之剑归还湖夫人（The Lady of The Lake），其间他曾两次放弃，终于在第三次将王者之剑投入湖中。负垂死亚瑟王登舟去阿瓦隆岛。

In Arthurian legend, Sir Bedivere (/ˈbɛdᵻvɪər/ or /ˈbiːdᵻvɪər/; Welsh:Bedwyr; French:Bédoier, also spelt Bedevere) is the Knight of the Round Table who returns Excalibur to the Lady of the Lake. He serves as King Arthur's marshal and is frequently associated with Sir Kay. Sir Lucan is his brother; Sir Griflet is his cousin.