South Dildo is a local service district and designated place in the Canadian province of Newfoundland and Labrador.
South Dildo is in Newfoundland within Subdivision Y of Division No. 1.
As a designated place in the 2016 Census of Population conducted by Statistics Canada, South Dildo recorded a population of 249 living in 106 of its 135 total private dwellings, a change of from its 2011 population of 314. With a land area of , it had a population density of in 2016.
South Dildo is a local service district (LSD) that is governed by a committee responsible for the provision of certain services to the community. The chair of the LSD committee is Robert Legge.