Namesakes
Notable Actors and Entertainers:
2 actors
Laurence Olivier 1907-1989 
Joan Plowright (a.k.a. Olivier) 1929-2025
Oscar Award Winners:
1 actor
(actor) Laurence Olivier 1949 Hamlet
Other Leaders:
1 prime minister
Prime Minister George Borg Olivier 1950-1955; 1962-1971 Malta
Tony Award Winners:
1 actress
(actress) Joan Plowright (a.k.a. Olivier) 1961 A Taste of Honey