| P. Oberhofer Herbert | 21/03/1935 Katharinaberg/I | 26/04/2009 Ellwangen/D | 
                                            
                                                
                                                    | Sc. Oberleiter Engelbert | 22/05/1913 St. Johan im Ahrn/I | 08/08/1941 Brixen/I | 
                                            
                                                
                                                    | Fr. Oberparleiter Matthias | 06/08/1936 Tesselberg BZ/I | 02/03/1990 Ellwangen/D | 
                                            
                                                
                                                    | Fr. Oberstaller Gottfried | 02/01/1897 Taisten BZ/I | 31/08/1962 Badplaas/RSA | 
                                            
                                                
                                                    | Fr. Oberstaller Johann | 01/11/1911 Taisten Val Pusteria BZ/I | 16/04/1990 Ellwangen/D | 
                                            
                                                
                                                    | P. Ohrwalder Josef | 06/03/1856 Lana BZ/I | 06/08/1913 Omdurman/SD | 
                                            
                                                
                                                    | Olbort Rudolf | 30/03/1940 Milbes/Deutschland | 07/01/2021 Ellwangen/Deutschland | 
                                            
                                                
                                                    | P. Olivetti Nicolao | 12/12/1885 Bertolla TO/I | 12/12/1964 Arco TN/I | 
                                            
                                                
                                                    | Fr. Olivieri Igino | 23/07/1907 Giustino di Pinzolo TN/I | 27/07/1984 Verona/I | 
                                            
                                                
                                                    | P. Ongaro Mario | 07/04/1926 Bovolone/VR/Italia | 16/12/2012 Cincinnati/USA | 
                                            
                                                
                                                    | P. Oricchi Giuliano | 13/06/1925 Piazza al Serchio (LU)/I | 26/02/1994 Nairobi/KE | 
                                            
                                                
                                                    | Nv. Oriovitz Franz | 06/01/1922 Mannersdorf/A | 10/01/1943 Russia | 
                                            
                                                
                                                    | P. Orlando Antonino | 30/09/1919 Palermo (I) | 07/02/2013 Verona (I) | 
                                            
                                                
                                                    | Mons. Orler Rodolfo | 27/11/1892 Vulcan Mich./USA | 17/07/1946 Wau/SSD | 
                                            
                                                
                                                    | P. Orozco Gutierrez Joaquín | 26/05/1944 Quiroga/MEX | 10/07/2015 Cuernavaca/MEX | 
                                            
                                                
                                                    | Fr. Orozco Madrigal Salvador | 08/09/1929 Tlazazalca/Messico | 09/06/2014 Zapopan, Jal. (Messico) | 
                                            
                                                
                                                    | Fr. Ortolani Amedeo | 30/03/1913 Colmurano MC/I | 30/03/1945 Venegono/I | 
                                            
                                                
                                                    | P. Osgnach Lorenzo | 30/07/1925 S. Leonardo UD/I | 10/04/1992 Pordenone/I | 
                                            
                                                
                                                    | P. Otero Magán  Gabino | 22/06/1943 San Jorge de Vea/España | 25/03/2020 Santiago de Compostela/España | 
                                            
                                                
                                                    | P. Ottolini Paolo | 29/06/1932 Minucciano | 09/11/2006 Lucca |