St. Anthony Bight is a local service district and designated place in the Canadian province of Newfoundland and Labrador.
St. Anthony Bight is in Newfoundland within Subdivision D of Division No. 9.
As a designated place in the 2016 Census of Population conducted by Statistics Canada, St. Anthony Bight recorded a population of 120 living in 54 of its 57 total private dwellings, a change of from its 2011 population of 128. With a land area of , it had a population density of in 2016.
St. Anthony Bight 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 Chris Patey.