Watertown Square in Watertown, Massachusetts is the termination point of the Massachusetts Bay Transportation Authority's route 71 trackless trolley and several bus routes, including (as of 2005) the , , , and . Buses and pass through Watertown Square. It was also formerly the terminus of the Green Line "A" Branch.

Watertown is a studio album by American singer Frank Sinatra, released in 1970 (see 1970 in music).

a town in southeastern Wisconsin

a town in northern New York