Dirk is a boy’s name of Dutch, English, German and Teutonic origin. Meaning in Dutch: A diminutive of Derek meaning people ruler. Meaning in English: Gifted ruler. People ruler. Variant of the Old German Theodoric. Meaning in German and Teutonic: Dagger. Dirk is a variant of Derek. Famous bearer: British actor Dirk Bogarde. A Dutch forms of Theodoric. Famous bearer: Derrick was a 17th century hangman at Tyhurn, whose name became synonymous with ‘gallows’ and now refers to a type of crane. The name has 4 letters.