Frederick Roy Millar is a Northern Irish football administrator. He is the Irish Football Association's director of coaching and former head coach of the Northern Ireland national under-21 football team. Born in Belfast, he previously played in the Irish League first for Portadown F.C. then for Cliftonville F.C. and finally finishing his playing career with Dundela F.C. in the old 'B' Division. Since joining the Irish FA in 1975 as a coach and as an international coach from 1982 Millar has at some point taken charge of all youth teams from Under-16 to Under-19 and also the Northern Ireland B team and the Northern Ireland Elite (Under-19) squad that takes part in the Milk Cup.