Namesakes
Hall-of-Famers:
1 ice hockey
(ice hockey) Bobby Orr 1979 
Most Valuable Players:
1 winner
Bobby Orr 1970; 1971; 1972 ice hockey
Nobel Prize Winners:
1 peace
(peace) John Boyd Orr 1949
Notable Athletes:
2 ice hockey
(ice hockey) Bobby Orr 1948-
(ice hockey) Colton Orr 1982-
Olympic Medalists:
1 bronze
(bronze) Vickie Orr 1992 basketball
Rock and Roll Hall-of-Famers:
1 musician
Benjamin Orr 2018 The Cars