Westfield High School (Westfield, Massachusetts) is a public high school located in Westfield, Massachusetts, United States founded in 1855. It serves as the public high school for students in grades 9 through 12, and has a student enrollment of 1,269 (2016–17).

This article's list of alumni may not follow Wikipedia's verifiability policy. Please improve this article by removing names that do not have independent reliable sources showing they merit inclusion in this article AND are alumni, or by incorporating the relevant publications into the body of the article through appropriate citations. (October 2017)

• Lou Barlow, musician of the band Dinosaur Jr.
• Alice Mary Dowd (1855–1943), educator, author
• Walt Kowalczyk, former NFL player
• Dan Trant, drafted by the Boston Celtics
• Joel Stroetzel, musician of the band Killswitch Engage
• John O'Connor, visual artist in the collection of the Museum of Modern Art and The Whitney Museum
• Richard Manuel, pianist and vocalist of the band The Band
• Sabrina Tavernise, journalist for the New York Times.

• WHS home page

42°08′47″N 72°45′13″W / 42.1464°N 72.7536°W / 42.1464; -72.7536