This is a list of notable people who are from Markham, Ontario, Canada, or have spent a large part or formative part of their careers and/or lives in that city.
B Corie Beveridge, curler Joseph Blandisi, NHL player for the Pittsburgh Penguins Paula Brancati, actress Major John Button, Upper Canada settler, soldier Steve Byers, actor
C
Paul Calandra, former Conservative MP and current Ontario PC Party MPP Emmanuelle Chriqui, actress Hayden Christensen (b. 1981), actor Matt Coates, Canadian football player Don Cousens (1938-2017), MPP, and Mayor of Markham Joseph Cramarossa, professional hockey player for Stockton Heat Bill Crothers, track and field athlete, Olympic silver medalist, 1964 Ayesha Curry, actress and chef
D Andre De Grasse, track and field athlete Michael Del Zotto, former NHL player
E William Eakin (1828–1918), Northwest Territories MLA and Speaker
F Warren Foegele (b. 1996), NHL hockey player for the Los Angeles Kings Mariah Fujimagari (b. 1994), NWHL hockey player for the Buffalo Beauts
G Brendan Gaunce, NHL hockey player for the Vancouver Canucks Cameron Gaunce, NHL hockey player for the Columbus Blue Jackets Kim Gellard, curler Phylicia George, Canadian sprinter/hurdler Niko Giantsopoulos (b. 1994), soccer player Zachary Gingras, Paralympic Athlete - Athletics Adam Gontier (b. 1978), former lead singer of Three Days Grace; current lead singer of Saint Asonia
H Ben Heppner, CC (b. 1956), Canadian dramatic tenor Karl Brooks Heisey, Canadian mining engineer and executive Jason Ho-shue, badminton player Cody Hodgson, former NHL player
J Ben Johnson, former Canadian sprinter
K Logan Kanapathi, MPP Brad Katsuyama, founder of Investors Exchange Aramis Kouzine (b. 1998), soccer player
L Stefan Lamanna (b. 1995), soccer player Victor Lai, badminton player Mathieu Laurent (b. 1996), soccer player Michelle Li, badminton player, 4-time Olympian Jack Mingjie Lin (b. 1999), tennis player
M Mitch Marner, NHL hockey player for the Vegas Golden Knights Mena Massoud, actor Brad May, retired NHL hockey player Benjamin Milliken II, Major York Militia, 1837 Upper Canada Rebellion Dominic Moore, retired NHL hockey player Norman Milliken, lumber mill and tavern owner Aviva Mongillo (b. 1998, Carys), actress and singer
O Anna-Marie Ondaatje (b. 2000), rhythmic gymnast
P Jennifer Pan, convicted of conspiring to kill her mother as well as attempting to kill her father Ken Pereira, field hockey player, Pan American Games medalist Justin Peroff, drummer for the band Broken Social Scene Jordanna Phillips (b. 1990), soccer player Connor Price, actor
R David Reesor, Canadian Senator and Reeve of Markham Village Peter Reesor, lumber mill owner, founder of Markham Christopher Richards, actor Jayde Riviere, 2021 Olympic gold medalist, professional soccer player for Canada and WSL's Manchester United Albert John Robertson, Canadian politician; first Leader of the Opposition in the Legislative Assembly of Alberta, 1905–1909 Lloyd Robertson, OC, news broadcaster Shauna Robertson, actress Jordan Romano (b. 1993), MLB pitcher for the Colorado Rockies Jade Rose, soccer player for Canada Lucas Rumball (b. 1995), rugby union player Anna Russell, singer and opera parodist Trey Rutherford (b. 1995), football player
S Lilly Singh (also known as IISuperwomanII), talk show host Jeff Skinner, NHL hockey player for the San Jose Sharks Celine Song (b. 1988), playwright and filmmaker Steven Stamkos, NHL hockey player for the Nashville Predators Courtenay Stewart, Canadian synchronized swimmer Marlene Stewart Streit, OC, golfer Tammy Sutton-Brown, WNBA basketball player
T Brittney Tam (b. 1997), badminton player Steve Thomas, retired NHL hockey player Cliff Thorburn (b. 1948), retired professional snooker player Jonah Tong, MLB pitcher for the New York Mets Michelle Tong (b. 1997), badminton player Raffi Torres, retired NHL hockey player
U Luca Uccello, soccer player
V Iman Vellani (b. 2002), actress
W Chris Wardman, founding member and guitarist of Blue Peter Justyn Warner, Canadian sprinter Stephen Weiss, retired NHL hockey player Sarah Wells, track and field athlete Ethan Werek, professional ice hockey player, currently playing for the Belleville Senators Breanne Wilson-Bennett (b. 1996), NWHL ice hockey player
Z Shivon Zilis (b. 1986), AI venture capitalist
References