Bolton is a small rural town in Tolland County, Connecticut, United States. It is primarily residential, with an economy made up primarily of small businesses. The high school typically has between fifty and one hundred students per class. The population was 4,986 as of the 2010 census. Bolton was incorporated in October 1720 and is governed by town meeting.

Originally part of the town of Hartford, the area was referred to as Hartford Mountains or Hanover, until incorporation in October 1720. The northern half of Bolton was set aside in 1808 to form the town of Vernon. Quarries played a significant role in the area's developing economy, and Bolton Notch became the location of the small community of Quarryville. Prior to the railroad, granite was taken by oxcart to the Connecticut River where it was then shipped to major cities on the East Coast.

On November 11, 1723, Jonathan Edwards was installed as the pastor of Bolton.

It is widely speculated that in 1781, George Washington stayed at a home in Bolton. Later that year, the French army is confirmed to have passed through the town. On Rose's Farm, Rochambeau most likely stayed the night with his troops. Archaeological evidence proves that they were in Rose's field, and possibly also across the street (because of the current modern houses there, this was not proven). Archaeologists believe the officers stayed there, since they usually stayed away from the troops, considering themselves higher in status. The artifacts that would have been found if the grounds had been correctly excavated would have been very useful for the history of Bolton, and therefore these statements cannot be confirmed with full accuracy.

Bolton, like much of Tolland County, straddles the humid continental climate (Dfa) and (Dfb) line.

Bolton High School is a public school with about three to four hundred students. It underwent major renovations and expansion during 2011, including a new outdoor seating area for the cafeteria, a larger and more technologically advanced library, computer labs and media center, and a new science wing and larger administrative offices. Several other improvements were made including parking, bus lanes and the Board of Education offices being moved to the location.

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