Niagara
- Battle of Niagara (disambiguation)
- Buffalo Niagara Region
- Buffalo–Niagara Falls metropolitan area
- Bushkill Falls
- Cariboo Mountains Provincial Park
- Diocese of Niagara
- Fort Niagara
- Nagara (disambiguation)
- New York Central Niagara
- Niagara (1953 film)
- Niagara (2022 film)
- Niagara (Frederic Edwin Church)
- Niagara (The Office)
- Niagara (album)
- Niagara (band)
- Niagara (board game)
- Niagara (federal electoral district)
- Niagara (grape)
- Niagara (painter and singer)
- Niagara (provincial electoral district)
- Niagara (ship)
- Niagara (town), Wisconsin
- Niagara (tug)
- Niagara (yacht)
- Niagara Bottling
- Niagara College
- Niagara County, New York
- Niagara Escarpment
- Niagara Escarpment AVA
- Niagara Falls
- Niagara Falls (disambiguation)
- Niagara Falls State Park
- Niagara Falls, New York
- Niagara Falls, Ontario
- Niagara Frontier
- Niagara Gorge
- Niagara Peak
- Niagara Peninsula
- Niagara River
- Niagara University
- Niagara Whirlpool
- Niagara, British Columbia
- Niagara, Kentucky
- Niagara, New York
- Niagara, Niagara
- Niagara, North Dakota
- Niagara, Oregon
- Niagara, Toronto
- Niagara, Western Australia
- Niagara, Wisconsin
- Niagara-on-the-Lake
- Regional Municipality of Niagara
- Restless (Sara Evans album)
- The Niagara
- USS Niagara