阿瑟·西摩尔·萨利文爵士，MVO（英语：Sir Arthur Seymour Sullivan，1842年5月13日－1900年11月22日），英国作曲家。早年曾在皇家音乐学院和莱比锡音乐学院学习，曾发现舒伯特的遗稿《罗莎蒙德》。1871-1896年与文学家吉尔伯特合作创作轻歌剧，以吉尔伯特与萨利文知名。其轻歌剧作品风趣幽默，艺术水准较高，在英语国家长期盛演不衰。代表作包括《皮纳福号军舰》《日本天皇》等。

Sir Arthur Seymour Sullivan MVO (13 May 1842 – 22 November 1900) was an English composer. He is best known for his series of 14 operatic collaborations with the dramatist W. S. Gilbert, including H.M.S. Pinafore, The Pirates of Penzance and The Mikado. His works comprise 23 operas, 13 major orchestral works, eight choral works and oratorios, two ballets, incidental music to several plays, and numerous hymns and other church pieces, songs, and piano and chamber pieces. The best known of his hymns and songs include "Onward Christian Soldiers" and "The Lost Chord".