Glen Abbey is a residential community in the town of Oakville, Ontario, Canada. It is bounded by Upper Middle Road to the north, Dorval Drive to the east, the Queen Elizabeth Way to the south and Bronte Road to the west.

The population of Glen Abbey is approximately 20,500 people making it the second largest community in Oakville behind Bronte. Construction of the first residential units began in 1981 and peaked in 1990. Glen Abbey is one of approximately 12 communities in Oakville.

Glen Abbey is famous for the Glen Abbey Golf Course, a world-renowned course designed by Jack Nicklaus. It has been the home of the Canadian Open several times, most recently in 2008 and 2009. Notable winners of the Open at Glen Abbey include: Tiger Woods, Vijay Singh, Greg Norman and Lee Trevino. The course has also been included in the Tiger Woods video games series Tiger Woods PGA Tour 08.

Glen Abbey has a newly renovated community centre located in the heart of the community at the intersection of Third Line and Glen Abbey Gate. The facility features two hockey rinks, a gymnasium, a swimming pool, squash courts and a fitness gym. The building also has several community rooms and an Oakville Public Library branch. Outside there is also a basketball court, baseball and softball diamonds and soccer field. The Oakville Gymnastics Club also has a world class facility at the community centre.

The community is filled with many woodlands and ravines that are filled with walking and biking trails. The Sixteen Mile Creek also travels alongside the golf course. There are several parks spread out across the community that include tennis courts, basketball courts, soccer fields, baseball diamonds, playgrounds and splash pads.

Housing in the community ranges from single family detached residences to medium and high density attached and apartment housing forms. The majority is low density housing. Glen Abbey also has a Delmanor Seniors Community. In 2013 the average cost of a fully detached home was $797,000. Detached homes range from $500,000 to $1,500,000. Town homes range from $300,000 to $1,000,000. Homes backing onto ravines generally sell for $900,000+. The most expensive homes are located in the prestigious Fairway Hills community, selling between $900,000 and $3,000,000.