State Route 41 is a north–south state highway in the southern and western portions of the U.S. state of Ohio. Its southern terminus is at U.S. Route 52, US 62 Business, and US 68 Business in Aberdeen. ; and its northern terminus is along SR 48 at US 36 in Covington. Throughout its southern portion the route is quite hilly as it passes predominantly northward through scenic areas with state parks and monuments. Along its northern portion the route heads in a more westerly direction across mainly flat terrain as a major road through the cities of Washington Court House, Springfield, and Troy.