The 32-year-old Nigeria international was targeted on social media following the Super Lig side’s 2-1 win at the Senol Gunes Stadium.
The Turkish club said in a statement: “Racism is a refuge for helpless and ignorant people. Our football player, Obi Mikel, condemns the racist attacks after the Fenerbahce match.
“We present to the public that we have filed a criminal complaint against the attackers.”
Mikel’s team-mate Joao Pereira also said on Twitter: “It is sad and unacceptable that in 2020 we’re still facing acts of racism and disrespect like this. Football is much bigger than the little people behind these unfortunate acts.”