Sergey Sergeyevich Ushkalov (Russian: Сергей Сергеевич Ушкалов; born February 2, 1972) is a retired male freestyle and backstroke swimmer from Kazakhstan.

He competed at the 1996 Summer Olympics in Atlanta, Georgia.

His best Olympic result was finishing in 15th place in the Men's 4 × 100 m Medley Relay event.

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