Regal Boy is a thoroughbred horse born in Australia in 2021. Race horse Regal Boy is by Palentino (AUS) out of Role Reversal (GB). Regal Boy form is available here. Owned by Belle's Park (Mgr: B A Miller), A P Jardim, A V Hildebrandt, Mrs L J Steinert, A M Steinert, A J Hildebrandt & B H Day.