狄·保加第（英语：Dirk Bogarde，1921年3月28日－1999年5月8日），著名英国影星，亦是小说作家，约1950年代起窜红。

原名Derek Jules Gaspard Ulric Niven van den Bogaerde，在伦敦西汉普斯特区（West Hampstead）出生，拥有苏格兰、佛兰德及荷兰血统，领洗教堂为吉本区（Kilburn）的圣玛利教堂（St. Mary's Church）。父亲Ulric van den Bogaerde（伯明翰出生）是《泰晤士报》艺术版的编辑，母亲Margaret Niven则是前演员。

Sir Derek Jules Gaspard Ulric Niven van den Bogaerde, known as Dirk Bogarde (28 March 1921 – 8 May 1999), was an English actor and writer. Initially a matinée idol in films such as Doctor in the House (1954) for the Rank Organisation, he later acted in art-house films. In a second career, he wrote seven best-selling volumes of memoirs, six novels and a volume of collected journalism, mainly from articles in The Daily Telegraph.