The Social Welfare functional constituency (Chinese: 社會福利界功能界別), formerly called Social Services, is a functional constituency in the elections for the Legislative Council of Hong Kong.

The constituency was first created as one of the original 12 functional constituency seats for the first ever Legislative Council election in 1985.

As of 2021, there were 13,974 registered voters, including all the social workers registered under the Social Workers Registration Ordinance (Cap.

It had also been one of the few functional constituencies held by the pro-democrats before 2021.

Since 2021, it has been the only constituency of any kind with a non-pro-Beijing Legislative Council member, instead being represented by a centrist.