Watertown High School

Watertown High School may refer to:


 * Watertown High School (Connecticut) in Watertown, Connecticut
 * Watertown High School (Massachusetts) in Watertown, Massachusetts
 * Watertown High School (New York) in Watertown, New York
 * Watertown High School (South Dakota) in Watertown, South Dakota
 * Watertown High School (Tennessee) in Watertown, Tennessee
 * Watertown High School (Wisconsin) in Watertown, Wisconsin