Namesakes
Hall-of-Famers:
1 basketball
(basketball) Neil Johnston 1990 
Notable Actors and Entertainers:
2 actors
Sue Johnston 1943-
Kristen Johnston 1967-
Notable Athletes:
1 basketball
(basketball) Neil Johnston 1929-1978
Notable Writers:
1 author
Jennifer Johnston 1930-
Olympic Medalists:
2 gold, 1 silver
(gold) Atina Johnston 1998 curling
(silver) Abigail Johnston 2012 diving
(gold) Rebecca Johnston 2010; 2014 ice hockey
Rock and Roll Hall-of-Famers:
1 musician
Tom Johnston 2020 The Doobie Brothers