[1][2] Western University offers 21 varsity sports for men and 19 for women which compete in the OUA conference.

[10] Many Western varsity programs lead Canadian universities in the number of championships won.

The Western Mustangs football team has won eight Vanier Cup national championships, in 1971, 1974, 1976, 1977, 1989, 1994, 2017 and 2021.

Badminton started in the early 1930s at Western as a club, but transitioned to a varsity sport once recognized in the OUA.

Jamie Paulson attended Western at this time and dominated in both singles and doubles at OUAA tournaments in the 1970–71 season, winning 33 out of 36 matches.

[16] This streak continued even after Paulson's departure, and Western won the OUAA badminton championships in 1970–71, 1972–73, 1975–76, 1976–77, and 1977–78 seasons.

More recently, former alumni Alex Bruce competed in the 2012 Summer Olympics as well as win a gold medal at the 2011 Pan American Games.

[17][18] The current head coach is Mike Lumley, a former Detroit Tigers fifth round draft pick.

The men's basketball team plays its home games in Alumni Hall gymnasium.

Western officially formed a unified Athletic Association and created one central team to represent the university as a whole in 1914.

The team has won 8 Vanier Cup national titles and appeared 15 times at the championship, with the last win being in 2021.

Both the men's and women's team compete in the OUA provincial league as well as a part of the national Canadian University Rowing Association.

[26] The program has also included over 45 Canadian Olympic team members as athletes, coaching staff and trainers.

Notable Western rowing Olympians include Roger Jackson, Al Morrow, Mike Murphy, and Phil Monckton.

[32] This group rowed on an indoor erg machine for 62 hours, 27 minutes and 7 seconds, with an average pace of 1:52.4.

[26] The team first started in 1969 as a recreational club, but then joined the OUA as a varsity program in 1973, once the league added the sport.

[41] Former Western Mustangs athletic director Therese Quigley played on the 1973–74 championship team.

The sport clubs at Western include: There are a number of gyms, facilities, and rooms that teams use for practicing and games.

The field size abides by CFL regulations and features an infill turf playing surface with a 2" rubberized e-layer.

[42] Mustangs Field was opened in 2013 and acts as the playing surface for the soccer and lacrosse teams.

In addition to the main gymnasium, the lower floors of the building house the gym for the wrestling teams as well as a dance studio.

In addition to the gym, the main auditorium has a large stage and is used as the primary location for convocation and other official University ceremonies.

[51] Thames Hall was completed in 1949, led by planning and fundraising efforts of J. Howard Crocker, the director of the university's physical education department.