Daceyville (formerly Dacey Garden Suburb) is a suburb in the Eastern Suburbs of Sydney, in the state of New South Wales, Australia. Daceyville is 7 km south of the Sydney central business district and is now part of Bayside Council (formerly the City of Botany Bay).

According to the 2016 census, there were 1,209 residents in Daceyville. 6.6% of residents were Aboriginal and Torres Strait Islander people, more than the national average of 2.8%. Daceyville had a substantial older aged population, with 35.5% of residents being over 65 years old. The most common ancestries in Daceyville were Australian 21.4%, English 19.1% and Irish 10.1%. 56.9% of people were born in Australia and 65.2% of people spoke only English at home. The most common responses for religion were Catholic 31.7% and No Religion 21.6%. Daceyville residents had a median household weekly income of $498, well below the national median of $1,432.