Namesakes
Australian Prime Ministers:
1 prime minister
Malcolm Turnbull 2015-2018 
Fictional Characters from Television:
1 character
Renfield Turnbull 1994 Due South
Notable Actors and Actresses:
1 actress
Roz Turnbull 1972-
Olympic Medalists:
1 bronze
(bronze) Bertrand Turnbull 1908 field hockey