Haswell is a statutory town located in Kiowa County, Colorado, United States.

At the 2020 United States Census, the town had a total area of 514 acres (2.079 km2), all of it land.

The Paul Plishner Radio Astronomy and Space Sciences Center is located 5 miles (8 km) south of Haswell in a remote, radio-quiet area.

The center includes a 60-foot (18 m) parabolic dish antenna used for radio astronomy research.

[12] In 2013, the Intel corporation announced that it was naming its newest processor microarchitecture Haswell, after the town.