New York State Route 107 (NY 107) is a 17.07-mile (27.47 km) state highway in Nassau County, New York, in the United States. The route begins at an intersection with Merrick Road (unsigned County Route 27 or CR 27; formerly NY 27A) in Massapequa, serving several communities in the town of Oyster Bay before entering the city of Glen Cove and terminating at an intersection with Pulaski Street. From here, the right-of-way continues west for a short distance as Pratt Boulevard (CR 243) to Brewster Street and Glen Cove Avenue. Route 107 is the only State Highway on Long Island to enter a city other than New York City. The route connects with several major parkways and expressways and has a concurrency with NY 106 through Hicksville and Jericho Gardens.