Leonid Arnoldovich Fedun (born April 5, 1955 in Kiev, Ukraine) is a Russian businessman. His estimated wealth in 2011 is $7.1 billion and he is ranked by Forbes as 133rd richest man on the planet. He is married and has two children.
Fedun, a former Russian military, is the right-hand of the Russian oil company Lukoil's CEO Vagit Alekperov. Fedun owns 9.2% of Lukoil shares and the Russian football club Spartak Moscow.