U
- Uchi Lake
- Udney
- Udora
- Uffington
- Ufford
- Uhthoff
- Ullswater
- Umfraville
- Umfreville
- Unaka
- Underwood
- Ungava
- Ungers Corner
- Union
- Union Creek
- Uniondale
- Union Hall
- Unionville
- University
- Uno Park
- Uphill
- Upper
- Upper Canada Village
- Upper Hermon
- Upper Notch Dam
- Upsala
- Uptergrove
- Ursa
- Utica
- Utopia
- Utterson
- Uttoxeter
- Uxbridge
