New Tealby was an English colony located in present-day Essex County, Massachusetts. The colony was established in 1628, the same year as the foundation of the Massachusetts Bay Colony, and amid a 1627-1629 war between England and France. New Tealby was named after the village of Tealby in Lincolnshire, and it came to include a town center, several manor houses, a farm, a market, a Congregationalist church, a Native American embassy, and several military buildings, and the village came to have a population of around 100 English settlers. The English colony survived a raid by French settlers from their colony of La Nouvelle-Ernée at the tip of the Cape Ann peninsula, and the English garrison and its Native allies destroyed the French colony in retribution.

