Fairfield is a suburb of the City of Brisbane, Queensland, Australia. In the 2021 census, Fairfield had a population of 3,106 people.

In the 2011 census, Fairfield recorded a population of 2,554 people, 50.2% female and 49.8% male. The median age of the Fairfield population was 31 years of age, 6 years below the Australian median. 69.2% of people living in Fairfield were born in Australia, compared to the national average of 69.8%; the next most common countries of birth were England 3.2%, New Zealand 3.1%, Malaysia 1.5%, China 1.2%, Vietnam 1.2%. 77.3% of people spoke only English at home; the next most popular languages were 2.4% Mandarin, 2% Greek, 1.7% Vietnamese, 1.7% Spanish, 0.9% German.

There is a Fairfield train station on the line to Beenleigh. The main bus service is the 196, which runs every 15 minutes during the day and commences at Fairfield Gardens. During the morning peak the 107 and 108 bus services are also available. There is also a taxi rank.