Niantic may refer to:

Niantic people, tribe of American Indians Niantic (company), mobile app developer known for the mobile games Ingress and formerly Pokémon Go Niantic Spatial, spun-out company from Niantic Niantic Correctional Institution, now known as York Correctional Institution

Ships Niantic (YTB-781) Niantic (whaling vessel), relic of San Francisco Gold Rush USS Niantic Victory, Victory ship later renamed USNS Watertown USS Niantic, US aircraft carrier later renamed HMS Ranee

Places Niantic, Connecticut Niantic River Niantic, Illinois