Westwater may refer to:

• Westwater Canyon on the Colorado River in Eastern Utah
• Westwater Reservoir, Scotland

• U.S. units
• U.S. universities
• US universities
• U.S. universities with the highest enrollment
• U.S. universities with the most enrollment
• Usun-kyuyol
• Usun-Kyuyol
• Usuper
• U (Super Junior song)
• USU Press
• Usura
• USURA
• U.S.U.R.A.
• U.S. urban areas by population
• Usurbil
• U Sure Do
• Usurp
• Usurpation
• Usurper
• Usurper (disambiguation)
• Usurper Maximus
• Usurpin
• USURPIN
• Usurping arms
• Usury Act 1660