Ohio Township is a township of the Second Class in Allegheny County, Pennsylvania, United States. Ohio Township elects a board of three Supervisors, a property tax collector, and a constable. The day-to-day business of the township is managed by a Township Manager serving at will. In addition to the Administration Office, the Police Department, Road Department, and Recreation Department are also under the direct administration of the Board of Supervisors. The Ohio Township Police Department provides full-time service, not only for Ohio Township, but through contractual agreements also for the Townships of Aleppo, Kilbuck, and Neville and the Boroughs of Ben Avon, Ben Avon Heights, Emsworth and Sewickley Hills.

Interstate 279 (I-279), locally referred to as Parkway North, is a north–south auxiliary Interstate Highway that lies entirely within Allegheny County, Pennsylvania. Its southern end is at I-376 at the Fort Pitt Bridge in Pittsburgh, and the north end is in Franklin Park at I-79. It primarily serves at the main access route between Pittsburgh and its northern suburbs.