Glen Waverley is a suburb in Melbourne, Victoria, Australia, 19 km (12 mi) south-east of Melbourne’s Central Business District, located within the City of Monash local government area. Glen Waverley recorded a population of 42,642 at the 2021 census.

In the 2016 Census, there were 40,327 people in Glen Waverley. 30.9% of people were born in Australia. The next most common countries or regions of birth were China 15.5%, India 9.4%, Malaysia 5.5%, Sri Lanka 9.3% and Hong Kong SAR 2.4%. 40.5% of people spoke only English at home. Other languages spoken at home included Mandarin 19.3%, Cantonese 8.5%, Sinhalese 7.8%, Tamil 7.8% and Hindi 2.3%. The most common responses for religion were No Religion 32.3%, Catholic 24.3%, Buddhism 10.0% and Hinduism 7.8%.

The suburb gives its name to the Glen Waverley railway line, which terminates at Glen Waverley station. Services depart platform 1 and 2, with a frequency of 7–8 minutes in peak hour, and every 15 minutes in off-peak periods. Glen Waverley is classed as a Premium Station, is in Metro Zone 2.