Fitzjohns Avenue is a street in Hampstead, England. Located in the London Borough of Camden it runs northwards from College Crescent (near to Swiss Cottage tube station on the Finchley Road) to join and become Heath Street in Hampstead Village. Running steeply uphill for much of its route Fitzjohns Avenue is joined or crossed by various other streets including Belsize Park, Belsize Lane, Maresfield Gardens, Netherhall Gardens, Akenfield Road and Lyndhurst Road. It is classified as part of the B511 road. It is also sometimes written as Fitzjohn's Avenue.