李哲洋（1934-1990），音樂學家。出生於彰化。1949年入臺灣省立臺北師範學校（今國立臺北教育大學）音樂師範科，隔年因父親以「知匪不報」被槍決，遂被學校退學。自此輾轉當過書店店員、臺肥公司製圖員，1960年起任中學音樂教師，後執教於實踐家政經濟專科學校（今實踐大學）及臺灣藝術專科學校（今國立臺灣藝術大學）。李哲洋的音樂學養大部分靠自學於實務經驗，1963年起獨立進入部落搜集原民音樂，1966-67年應史惟亮邀請參與民歌採集運動。1971年創辦《全音音樂文摘》任主編，前後共發行19年。1979年與呂炳川、明立國等人成立比較音樂學會。他編譯大量的古典音樂及舞蹈書籍，並獨力搜集臺灣音樂資料，為此領域先行者之一。去世後，留下大批研究資料，現存於國立臺北藝術大學，以不藏私之愛，貢獻臺灣。

LI Zhe-Yang was born in Changhua in 1934 and was admitted to the music department of National Taipei Teachers College (the predecessor of National Taipei University of Education) in 1949. The next year, however, his father was executed by shooting after being accused of not reporting known communists, and LI was expelled from the school. After this incident he served as a clerk in a bookstore and as draftsman for Taiwan Fertilizer Co., Ltd. Beginning in 1960 he served as a music teacher in high schools and later taught in Shih Chien School of Home Economics (now known as Shih Chien University) and National College of Arts (now known as National Taiwan University of Arts). Aside from a year’s study in National Taipei Teachers College, LI was mostly a self-taught musician and gained musical knowledge from practical experience. He participated in the folksong collection movement in 1966–67 and, with LEI Xiang, founded Musical Digest, which was issued for nineteen years. He also edited numerous publications on the topic of music and accumulated a great amount of research materials about Taiwanese music. He was a forerunner of music research in Taiwan. LI died in March 1990 due to illness. His research materials are currently archived at Taipei National University of Arts.