Louis Székely, beter bekend as Louis C.K. (gebore 12 September 1967) is 'n Amerikaanse komediant, draaiboekskrywer, vervaardiger, regisseur, en akteur. Hy is bekend vir sy rolle in die rolprent American Hustle (2013) en in die televisiereekse Louie (2010), Better Things (2016), en Horace and Pete (2016). 1998: Tomorrow Night 2001: Pootie Tang 2006: Maxed Out 2007: I Think I Love My Wife 2008: Welcome Home, Roscoe Jenkins 2009: The Invention of Lying 2013: American Hustle 2013: Tuna 2015: Trumbo 2016: The Secret Life of Pets 2017: I Love You, Daddy 2018: Oh, Rick!