The surname Krag may refer to:
Ole Herman Johannes Krag, Norwegian firearms designer
Thomas Krag, Norwegian writer
Erik Krag, Norwegian writer
Ernst Krag, Waffen SS soldier
Jens Otto Krag, Danish politician
Maja Krag
Claus Krag
Frederik Krag
Dorothea Krag
Nils Krag
Astrid Krag
Sophia Magdalena Krag Juel Vind
Christian Emil Krag-Juel-Vind-Frijs
Peter Rasmus Krag
Vilhelm Krag
Lul Krag
Hans Krag (disambiguation)