The Lyman Allyn Art Museum is an attraction that is community based and founded by Harriet Upson Allyn to pay tribute to her father, Lyman Allyn. It is open and free for all residents of New London city. It has accreditation from the American Association of Museums and also one of the founding members of the Connecticut Art Trail.

It can be found in a building that is set in neo-classical design made by Charles A. Platt. It houses a permanent collection of drawings, prints, paintings, ancient furniture and sculptures, and other forms of art. It also gives special attention to the type of American art that was consistently visible during the 18th and 20th centuries. It also renders various programs that are family friendly.