Charlton Historical Society
- Dedicated to preserving historical information about the town. Contains information about the society's goals, membership, events, and the Rider Tavern.
- http://www.charltonhistoricalsociety.org/

Charlton, MA
- USGenWeb Project; A brief history of the town, and genealogical information and links.
- http://users.rcn.com/lmerrell/charlton.html

Saint Mary Spiritual Vineyard Retreat Center
- Also known as The Karma, is operated by Saint Mark Coptic Church of the Greater Boston Area. Contact information, photo gallery, and driving directions.
- http://www.coptic.net/boston/vineyard/

Saint Joseph's Catholic Church
- Staff directory, Mass schedule, history, mission statement, parish organizations and ministries.
- http://www.st-joes.com/

Charlton Baptist Church
- Church mission is glorify God by loving Him wholeheartedly, loving people tenderheartedly and loving the world brokenheartedly.
- http://www.charltonbaptist.org/