St. Teresa is a local service district and designated place in the Canadian province of Newfoundland and Labrador.
St. Teresa is in Newfoundland within Subdivision C of Division No. 4.
As a designated place in the 2016 Census of Population conducted by Statistics Canada, St. Teresa recorded a population of 82 living in 34 of its 35 total private dwellings, a change of from its 2011 population of 156. With a land area of , it had a population density of in 2016.
St. Teresa 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 Not Active.