Omega Rho () is a North American scholastic honor society for students in the fields of operations research and management science. It was established in 1976 and became part of the Institute for Operations Research and the Management Sciences (INFORMS) in 1998. Omega Rho has chapters in the United States and Mexico.
Omega Rho was founded at the Institute of Management Sciences and Operations Research Society of America (TIMS/ORSA) joint national meeting in Philadelphia, Pennsylvania on April 1, 1976. It is an honor society to recognize students in the fields of operations research and management science and to support study in those areas. Its first president was Clinton K. Ancker Jr. from the University of Southern California.
It was admitted to the Association of College Honor Societies in 1983 with full membership in 1986. It became part of the Institute for Operations Research and the Management Sciences (INFORMS) in 1998.
In 2012, Omega Rho had an active membership of 181 and a total membership of 8,069 As of 2024, it has 38 active chapters in the United States and Mexico. Its headquarters is in Catonsville, Maryland.
The colors of Omega Rho are blue and red. The symbols of the Society are explained in its Bylaws as being a saddle projection (~3D model) superimposed by a tapered, red arrow. Its motto is OMEGA RHO<sup>î</sup>.
Omega Rho is coeducational. Potential members are juniors, seniors, and graduate students who are must in the top 25 percent of their class, with a 3.5 GPA. Faculty can join as faculty members. Omega Rho also admits honorary members.
Each fall, the society hosts the Omega Rho Distinguished Lecture at the annual INFORMS Meeting. Presenters of the plenary lecture include Anna Nagurney.
Following is a list of Omega Rho chapters.
Following are some of Omega Rho's honorary members.