Asociația Fotbal Club Odorheiu Secuiesc, commonly known as AFC Odorheiu Secuiesc (Hungarian: Székelyudvarhely FC) or simply Odorheiu Secuiesc, is a professional Romanian football club based in Odorheiu Secuiesc, Harghita County and also geographically placed in the historic and ethnographic region of Székely Land, an area inhabited mainly by Székelys, a subgroup of the Hungarian people.