Lafferty is an unincorporated community in northeastern Union Township, Belmont County, Ohio, United States, along Wheeling Creek. 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 1930's. Lafferty is part of the Wheeling, WV-OH Metropolitan Statistical Area.