1918 United States Senate election in New Jersey
Incumbent Democratic Senator William Hughes died in office in January.Republican governor of New Jersey Walter Evans Edge was elected to the six-year term over Democrat George LaMonte.In a special election held the same day, interim Senator David Baird Sr. (whom Edge had appointed) was elected to serve the remainder of Senator Hughes' term over Charles O'Connor Hennessy.In the primary election on September 24, Edge easily won the Republican nomination over George L. Record and Edward W. Gray.LaMonte won a four-cornered primary over Charles O'Connor Hennessy, Alexander Simpson, and Frank M. McDermit.