Lakeville is a community in the Canadian province of New Brunswick. This small village is located between Centreville and Woodstock. It is located on Route 560 in Carleton County. It has two churches, a convenience store, a post office, a fire hall, a park, and a community center. In the center of this village is the Williamstown Lake.
In the 2021 Census of Population conducted by Statistics Canada, Lakeville had a population of 266 living in 119 of its 123 total private dwellings, a change of from its 2016 population of 305. With a land area of , it had a population density of in 2021.
Students from the area are bused to Centreville for education levels Kindergarten through grade 8. Grades 9 through 12 attend Carleton North High School in Bristol.