Canley Heights is a suburb of Sydney, in the state of New South Wales, Australia 31 kilometres west of the Sydney central business district, in the local government area of the City of Fairfield and is part of the South-western Sydney region.

Canley Heights takes its name from its sister suburb down the hill, Canley Vale. When Sir Henry Parkes settled there in the mid-19th century, he named his home Canley Grange, after his birthplace of Canley in Coventry, England.

Canley Heights mostly consists of low-density residential and commercial developments. Its commercial area is centred on Canley Vale Road, the main street in the suburb, which features convenient stores, dollar stores, many businesses, dentists, law firms, fruit markets, cafes, a pharmacy, gas stations, tutoring services for students, bakeries, barbers, hairdressers, gyms, kebab and boba stores, as well as a variety of ethnic restaurants (predominantly Vietnamese, but also Lao, Thai and Middle Eastern) which are usually open until late on weekdays and weekends which offer a 'nightlife' for the residents and visitors alike, as most restaurants and shops close by 9pm in Sydney. It has 4 parks for recreational purposes, on Derby, Peterlee, Arbutus, and Ascot streets. There are 2 Christian Churches, the New Covenant Pentecostal Church, and the Global Family Church the latter primarily for the Spanish community.

There are also Bars, hotels (with a VIP lounge and bar) bistro, hookah lounge, atms, and a Post Office, which is the remaining banking facility on the main street.

Canley Heights Public School is the only school in the suburb and was established in 1955 for K-6, the school has an enrolment of approximately 600 students. Since there is no Highschool in the area, students are in the Fairvale High School catchment in Fairfield West.

The nearest railway station is located in the nearby suburb of Canley Vale. The Cumberland Highway passes through Canley Heights.

Westbus operates the 817 bus route (Cabramatta Railway Station to Canley Heights to Fairfield Railway Station), the 819 bus route (Canley Heights to Liverpool Railway Station), and the 9032 bus route (Canley Heights to Parramatta Railway Station), which serve the suburb.

According to the 2021 Population census, there were 12,320 residents in Canley Heights. 37.1% of people were born in Australia. The most common countries of birth were Vietnam 30.9%, Cambodia 6.9%, Iraq 4.2%, New Zealand 1.2% and China 1.6%. 17.9% of people only spoke English at home. Other languages spoken at home included Vietnamese 42.1%, Cantonese 5.5%, Khmer 5.4%, Arabic 3.4%, and Assyrian Neo-Aramaic 2.7%. The most common responses for religion in Canley Heights were Buddhism 37.1%, Catholic 18.8%, and No Religion 18.8%.

According to the 2021 Population census, the median weekly income compared to NSW and Australia was.

Median weekly incomes (a) People aged 15 years and over	Canley Heights	New South Wales	Australia
Personal (b)	$481	$813	$805
Family (c)	$1,483	$2,185	$2,120
Household (d)	$1,486	$1,829	$1,746

33°53′06″S 150°55′39″E / 33.88502°S 150.92760°E / -33.88502; 150.92760