Lafferty is a census-designated place in northeastern Union Township, Belmont County, Ohio, United States, along Wheeling Creek. As of the 2010 census it had a population of 304. Although it is unincorporated, it has a post office, with the ZIP code of 43951. Lafferty has one church, had two railroad tracks and has a Moose lodge, and it had a movie theater back in the 1930s.
Lafferty is part of the Wheeling, WV-OH Metropolitan Statistical Area.
Coordinates: 40°06′42″N 81°01′09″W / 40.11167°N 81.01917°W