Denislav Kharalamiev Kalchev (Bulgarian: Денислав Хараламиев Калчев, born 1 July 1973 in Silistra) is a retired butterfly and medley swimmer from Bulgaria.

He was a member of the Bulgarian National Swimming Team (four men and one woman) at the 1992 Summer Olympics in Barcelona, Spain, where he didn't reach the finals in his three individual starts.

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

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