Knoxfield is a suburb in Melbourne, Victoria, Australia, 27 km east of Melbourne’s Central Business District, located within the City of Knox local government area. Knoxfield recorded a population of 7,645 at the 2021 census.

In the 2016 Census, there were 7,465 people in Knoxfield. 64.1% of people were born in Australia. The next most common countries of birth were China 5.3%, England 3.6%, India 2.5%, Malaysia 2.5% and Sri Lanka 2.4%. 69.5% of people spoke only English at home. Other languages spoken at home included Mandarin 7.2%, Cantonese 3.7% and Sinhalese 1.9%. The most common responses for religion were No Religion 33.4%, Catholic 18.5% and Anglican 8.8%.