Route 11 is a 65.5 km (40.7 mi), two-lane, uncontrolled-access, secondary highway in western Prince Edward Island, Canada.

The route begins at its southern terminus and heads west through the downtown of Summerside.

It continues west through Miscouche and Mont-Carmel before turning northward near Cape Egmont.

It crosses the Haldimand River and turns left in Abrams Village to continue north.

In Enmore, the route turns right once again and ends at its northern terminus.