Alpha Phi Omega is an international service fraternity. Most chapters are in the United States of America, and most of the remainder are in the Philippines. The following list includes Alpha Phi Omega members who are notable or have attained high-ranking positions in their particular career field. Notable alumni include individuals who joined individual Alpha Phi Omega chapters as students and advisors who are members of the faculty, staff, Scouting or community selected by a chapter to advise them. An honorary member refers to individuals offered honorary membership in either various Alpha Phi Omega chapters or nationally, as non-students.