Psi Omega fraternity is a professional fraternity for dentistry. Chapters listed by order of usage by the fraternity and date of founding where known; naming was not strictly by order of the Greek alphabet due to the timing of installation ceremonies, reuse of names and local preference.
The collegiate chapters of Psi Omega include the following, with active chapters noted in bold and inactive chapters and institutions in italics.
The alumni chapters of Psi Omega are as follows, with active chapters indicated in bold and inactive chapters in italics.