Kappa Nu (ΚΝ) was an American college fraternity that was active from 1911 to 1961 when it merged with Phi Epsilon Pi.

[2] On October 14, 1961, Kappa Nu's thirteen active chapters voted to merge with Phi Epsilon Pi fraternity.

[2] Of these, three chapters declined to participate in the merger at campuses where Phi Epsilon Pi already existed.

[4][2] The badge is a diamond shield displaying a monogram of the Greek letters ΚΝ arranged horizontally along one plane below which is a six-pointed star and above which are קנ (Kuf Nun, the equivalent letters in Hebrew), standing for קשר נעורים or Kesher Neurim ("Ties of Youth").

[1]: 54  The jeweled base of the pin is surrounded by twenty pearls with an amethyst set at each of the corners.