In the Danish origin, Dirk means "Dirk \d(i)-rk\ as a boy's name is pronounced derk. It is of Danish origin. Variant of Derek (Old German) "the people's ruler", and Dietrich. The name is also the Scottish term for a small, sharp knife. See also Dedrick. Flemish painter Dierick Bouts.
Dirk has 4 variant forms: Dierck, Dieric, Dierick and Dirck.
For more information, see also the related name Theodoric. 
Baby names that sound like Dirk are Dyrk, Dirke and Derk. 
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                                     In the Dutch origin, Dirk means "Ruler of the People"
                                
                                
                             
                            
                            
                                
                                     In the German origin, Dirk means "Ruler"