英格兰长弓 (English Longbow)，亦作威尔斯长弓 (Welsh Longbow)，是一强而有力的中世纪长弓，能够射百米远，为英格兰人与威尔斯人作狩猎及作战之用，其长度通常为2米（约6呎6吋）左右。英法百年战争期间，英格兰人使用的长弓对付法国人十分有效，尤其是开战之初的克雷西战役（Battle of Crecy，1346年）及普瓦捷战役（Battle of Poitiers，1356年），而阿金库尔战役（Battle of Agincourt，1415年）则更是最为人熟知使用长弓获得的大捷。

A longbow is a type of bow that is tall—roughly equal to the height of the user; allowing the archer a fairly long draw, at least to the jaw. A longbow is not significantly recurved. Its limbs are relatively narrow so that they are circular or D-shaped in cross section. Flatbows can be just as long; the difference is that, in cross-section, a flatbow has limbs that are approximately rectangular.