Our Fraternity

The Upsilon Sigma Phi, founded in 1918, is the oldest fraternity in Asia. Based in the University of the Philippines, it has had an unbroken and singular association with the premier state university.

There are no chapters outside of UP Diliman and UP Los Banos.
The fraternity counts among its ranks, Benigno ‘Ninoy’ Aquino and former President Ferdinand E. Marcos.