Haswell may refer to:
Places:
- Haswell, County Durham, England, with neighbouring villages of:
- High Haswell
- Haswell Moor
- Haswell Plough
- and monastery:
- Haswell Grange
- Haswell, Colorado, United States of America
- Haswell Islands, an Antarctic island chain that includes:
- Haswell Island
- Isaac M. Haswell House in Albany County, New York
- 23809 Haswell, an asteroid
People with the last name Haswell:
- Anthony Haswell (passenger rail advocate)
- Anthony Haswell (printer)
- Charles Haynes Haswell, American nautical engineer, politician and author
- John Haswell, Scottish-Austrian locomotive design engineer
- Percy Haswell, American actress
- Rob Haswell, Canadian meteorologist
- Robert Haswell, American maritime trader and naval officer
- Russell Haswell, British multidisciplinary artist
- Susanna Rowson, born Susanna Haswell, British-American actress, novelist and educator
- Thomas Haswell, British educator and music composer
- William Aitcheson Haswell, Scottish-Australian zoologist
- Wyndham Halswelle, British Olympian and soldier, sometimes referred to as Haswell in contemporary accounts
In taxonomy, Haswell refers to species characterized by William Aitcheson Haswell, also the namesake of:
- Haswell's Frog
Technology:
- Haswell (microarchitecture), the Intel codename for a processor (CPU) microarchitecture
- Haswell New Instructions or Advanced Vector Extensions 2, an expansion of the AVX instruction set for the Haswell processor