Leonid Arnoldovich Fedun (Russian: Леонид Арнольдович Федун; born 5 April 1956) is a Russian billionaire businessman. His estimated wealth as of 2016 is $4.8 billion. Fedun, a former Russian military officer, is a close associate of Vagit Alekperov, the CEO of Russian oil company Lukoil. Fedun owns 9.2% of Lukoil shares and the Russian football club Spartak Moscow. He was awarded of the Order For Merit to the Fatherland, 4th Order and the Order of Honour.
In November 1992, he went into business and founded the company Neftkonsult LLP. In 1993, Fedun was officially Dismissed from the Russian military and within the same year became the CEO of JSC. In 1996, Fedun became the Vice President of LUKoil Inc. Fedun met Alekperov in the 1980s while he was a teacher in Kogalym, a Siberian city. In May 2006 Fedun was one of the two main owners of IFD Kapital Group.
He is married, has two children and lives in Moscow.