Natalia Vadimovna Molchanova (Russian: ??????? ????????? ?????????; 8 May 1962 – 2 August 2015) was a Russian champion free diver, multiple world record holder, and the former president of the Russian Free Dive Federation.
She has been described as "possibly the world’s greatest freediver".On 2 August 2015 she went missing giving a private lesson for a Russian, and is presumed to be dead after search efforts were abandoned on 5 August.