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Delta Upsilon Chapter House The Delta Upsilon chapter house at 1200 East Third Street

Welcome to Delta Upsilon Fraternity

Interested in joining Delta Upsilon? Register with our recruitment page, and someone from Delta Upsilon will contact you about upcoming rush events!

Delta Upsilon Alumni, please register with iudu.org so we can keep you up to date with Chapter events.


Delta Upsilon, an international men's fraternity founded in 1834, is committed to building better men through our four founding principles: Promotion of Friendship, Advancement of Justice, Development of Character, and Diffusion of Liberal Culture. We are the first national non-secret fraternity.

The Indiana University chapter was established in 1915 by a group known as the Wranglers that had existed since 1902. The chapter has a long and distinguished history of building better men. The IU chapter has been located at 1200 East Third Street since 1926.

There are no secrets with Delta Upsilon. No secret rituals. No secret oaths. No hazing. We are proud of what DU stands for and proud to be the world's only international fraternity committed to sharing our ideals, symbols, and rituals openly.