Pennsylvania Route 430 is an 13.71-mile (22.06 km) long state highway located in Erie county in Pennsylvania. The western terminus is at US 20 in Wesleyville. The eastern terminus is the New York state line near Findley Lake, New York.

State Route 430 was assigned to a previously unnumbered roadway in Erie County in 1959. The route was assigned as a continuation of New York State Route 430 (assigned by 1935 in NY), which had been extended from Mayville. The two designations have remained the same since.

The entire route is in Erie County.

|- |colspan=9 align=center bgcolor="#f2f2f2"|1.000 mi = 1.609 km; 1.000 km = 0.621 mi