Ullswater (disambiguation)
Ullswater is a lake in England.
Ullswater may also refer to:
People
- James William Lowther, 1st Viscount Ullswater (1855–1949), British Conservative politician
 - Nicholas Lowther, 2nd Viscount Ullswater (born 1942), British hereditary peer
 
Other uses
- Ullswater Aerodrome, aerodrome in Canada
 - Ullswater Community College, college in England
 - Ullswater 'Steamers', boat company
 - Ullswater Way, walking route in England
 - Viscount Ullswater, title