Uy River may refer to:

• Uy River (Irtysh basin)
• Uy River (Tobol basin)

• Leonid A. Pastur
• Leonid Arkadievich Desyatnikov
• Leonid Arkad'yevich Desyatnikov
• Leonida Rèpaci
• Leonidas Asprilla
• Leonidas B. Young, II
• Leonidas Dixon Coates, Jr.
• Leonidas family
• Leonidas Fragiadakis
• Leonidas Guthrie
• Leonidas H. Inscho
• Leonidas Jaworski
• Leonidas J. Skyrianidis
• Leonidas Kamende
• Leonidas Kokkas
• Leonidas Kyriakou
• Leonidas Leonidou
• Leonidas Maleckis
• Leonidas Njunwa
• Leonidas Rhodes
• Leonidas (sculpture)
• Leonidas Soares Damasceno
• Leonidas Sparta FC
• Leonidas (statue)
• Leonidas Warren Payne, Jr.