The Ultimate Fighting Championship (UFC) is a mixed martial arts (MMA) promotion, founded in 1993 by Art Davie and Rorion Gracie. The organization was purchased from its parent company SEG in 2001 by Zuffa LLC, a promotional company owned by Las Vegas casino magnates, Lorenzo and Frank Fertitta and managed by Dana White (current president of operations). Since its inception, and through its current Zuffa management, the UFC has remained one of the more dominant MMA promotions in the world, playing host to a wide field of MMA fighters.

This list provides an up-to-date roster of all mixed martial artists with Czech citizenship that represent Czech Republic competing or have previously competed under the UFC promotional banner.Unless otherwise cited, all mixed martial artists listed are retrieved from ufc.com.All names presented are in accordance with UFC.com profiles and may include common nicknames or alternative spellings rather than birth names. Fighters are organized by weight class and within their weight class by their number of appearances inside the UFC. Fighter record and notable wins, achievements. Tournament participation and overall UFC/MMA recordsUnless otherwise cited, all records are retrieved from sherdog.com. In 2022, Jiří Procházka became the Czech Republic's first UFC Champion after defeating Glover Teixeira for the Light Heavyweight title at UFC 275.

Each fight record has four categories: wins, losses, draws, and no-contests (NC). All fight records in this article are displayed in that order, with fights resulting in a no-contest listed in parentheses.

List NameNicknameClassSexUFC recordMMA recordEventsNotesNotable WinsRef. Karlos Vemola The Terminator Heavyweight, Light Heavyweight and Middleweight Male 2-4 36-8 UFC 116UFC 122UFC Live: Hardy vs. LytleUFC on Fox: Diaz vs. MillerUFC on Fuel TV: Munoz vs. WeidmanUFC on Fuel TV: Nogueira vs. Werdum First mixed martial artist from the Czech Republic to compete in UFC. Seth PetruzelliMike Massenzio Viktor Pešta Heavyweight Male 1-4 10-4 UFC Fight Night: Munoz vs. MousasiUFC on Fox: Gustafsson vs. JohnsonUFC 192UFC Fight Night: Rodríguez vs. CaceresUFC Fight Night: Rodríguez vs. Penn Konstantin Erokhin Lucie PudilováBullet Bantamweight Female 3-7 14-9 UFC Fight Night: Manuwa vs. AndersonUFC Fight Night: Holm vs. CorreiaUFC Fight Night: Cowboy vs. MedeirosUFC 228UFC Fight Night: Błachowicz vs. SantosUFC on ESPN 5UFC Fight Night: Blaydes vs. dos Santos UFC on ESPN: Holloway vs. Allen UFC Fight Night: Allen vs. Craig First female mixed martial artist from the Czech Republic to compete in UFC. Ji Yeon KimSarah Moras David Dvořák Undertaker Flyweight Male 3-3 20-6 UFC Fight Night: Lee vs. OliveiraUFC Fight Night: Moraes vs. SandhagenUFC Fight Night: Font vs. GarbrandtUFC on ESPN: Blaydes vs. Daukaus Bruno SilvaJordan EspinosaJuancamilo Ronderos Jiří Procházka Denisa/BJP Light Heavyweight Male 4-1 30-4-1 UFC 251UFC on ESPN: Reyes vs. ProcházkaUFC 275 UFC 295 UFC 300 First Czech UFC Champion. Volkan OezdemirDominick ReyesGlover Teixeira Aleksandar Rakić Tereza BledáFlyweightFemale1-17-1UFC Fight Night: Nzechukwu vs. Cuțelaba UFC on ESPN: Vettori vs. Cannonier

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