Royal Navy | Royal Air Force | Berkshire | Royal Dutch Shell | Royal Society | Royal Albert Hall | County Durham | Royal Shakespeare Company | Royal Opera House | Orange County | Royal Victorian Order | Royal Engineers | Royal Australian Navy | Reading, Berkshire | County Cork | St. Louis County, Minnesota | Royal National Theatre | Royal Canadian Navy | Royal Canadian Air Force | Royal Court Theatre | County Galway | Royal Marines | County Mayo | county | Marylebone Cricket Club | Royal Commission | Montgomery County | Los Angeles County Museum of Art | Royal Academy of Music | Lancashire County Cricket Club |
Along with Canadian retailing magnate Galen Weston and American actress Stefanie Powers, Henryk de Kwiatkowski was among the first foreign members of the Royal County of Berkshire Polo Club, Windsor, Berkshire whose membership includes HRH The Prince of Wales.