Tizzard's Harbour is a local service district and designated place in the Canadian province of Newfoundland and Labrador.
Tizzard's Harbour is in Newfoundland within Subdivision H of Division No. 8.
As a designated place in the 2016 Census of Population conducted by Statistics Canada, Tizzard's Harbour recorded a population of 55 living in 28 of its 62 total private dwellings, a change of from its 2011 population of 53. With a land area of , it had a population density of in 2016.
Tizzard's Harbour 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 Rosemary Boyd.