Ìàðê Ôðåäðèê Ôàðíåð (àíãë. Mark Fredrick Farner; 29 ñåíòÿáðÿ 1948, Ôëèíò, Ìè÷èãàí, ÑØÀ) — àìåðèêàíñêèé ðîê-ìóçûêàíò, ïåâåö, ãèòàðèñò, àâòîð ïåñåí, îñíîâàòåëü ãðóïïû Grand Funk Railroad.