Buzzsaw is a common alternative name for a circular saw.
Buzzsaw may also refer to:
- Buzzsaw (roller coaster), a roller coaster at the Dreamworld theme park on the Gold Coast, Australia
- Buzzsaw (Transformers), the name of several characters from the Transformers franchise
- The mascot of Howard Payne University
- The Arizona Cardinals of the NFL
- A "stalkers" from the movie The Running Man
- A discontinued file sharing and synchronization service operated by Autodesk
- "Hitler's Buzzsaw", the MG 42 general-purpose machine gun
- "Buzzsaw", a song by The Turtles from The Turtles Present the Battle of the Bands
- "Buzz Saw", a song by Xiu Xiu from their 2006 album The Air Force