Old Georgians

Old Georgians, sometimes abbreviated to OG, refers to old boys/girls of schools with George in the name of the school, including:
 * St George's College, Harare, Zimbabwe
 * St George's School, Harpenden, Hertfordshire
 * King George V College, Southport, Merseyside
 * St. George's Institution, Malaysia
 * St. George's College, Quilmes, Argentina
 * St George's College, Weybridge, Surrey, England

It may also refer to:
 * Old Georgian Club, a rugby and cricket club from Palermo, Buenos Aires
 * Old Georgians Hockey Club, English field hockey premier league team