Glenside may refer to:

Places Australia Glenside, South Australia, a suburb of Adelaide Glenside Hospital (Adelaide)

Canada Glenside, Saskatchewan, Canada, a village Rural Municipality of Glenside No. 377, Saskatchewan

New Zealand Glenside, New Zealand, a suburb of Wellington

United Kingdom Glenside, Bristol, a campus of the University of the West of England Glenside Museum Glenside Hospital, formerly Beaufort War Hospital, Bristol, England Glenside railway station, South Ayrshire, Scotland

United States Glenside, Pennsylvania, United States, in Montgomery County Glenside station, a regional rail station in Glenside, Pennsylvania

Other uses CFAV Glenside (YTB 644), a Canadian Forces tugboat