BEO Views 10 meanings found BEO is a standard term in hospitality and event planning, referring to banquet or buffet event orders, and it also surfaces in sports and regional references. Miscellaneous Buffet Events Order Community Banquet Event Order Governmental Basic Environmental Observatory International British English Olympics Bloque Estudiantil Organizado Regional Burton European Open Belmont, New South Wales, Australia Computing Block Enable Out Business Business Executives Organization Bank of Eastern Oregon