Tuna Altuna (born 30 January 1989 in Istanbul) is a Turkish tennis player.

Altuna has a career high ATP singles ranking of 651 achieved on 9 September 2013.

He also has a career high ATP doubles ranking of 355 achieved on 28 December 2015.

Alongside Konstantin Kravchuk, they lost in the quarterfinals against Philipp Oswald and Adil Shamasdin.

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