Higganum is a village[4] and census-designated place (CDP) in the town of Haddam, a part of Middlesex County, Connecticut, United States.

[3] The name "Higganum" is derived from an Indian name meaning either "at the tomahawk rock"[5] or "Great Bend in River".

[citation needed] At about 1800, Higganum Center was the area of most economic activity in the town.

Higganum lies on the southwestern bank of the Connecticut River and is located immediately south of Middletown.

Higganum is home to Haddam Killingworth High School (HKHS) and Burr District Elementary (BDES).