Fighters
- Aisling Daly
- Al Iaquinta
- Alan Belcher
- Albert Tumenov
- Alejandro Perez
- Aleksandar Rakic
- Aleksei Oleinik
- Alex Caceres
- Alex Oliveira
- Alex Perez
- Alexa Grasso
- Alexander Gustafsson
- Alexander Hernandez
- Alexander Shlemenko
- Alexander Volkanovski
- Alexander Volkov
- Alexandre Pantoja
- Alexis Davis
- Ali Bagautinov
- Alistair Overeem
- Aljamain Sterling
- Amanda Lemos
- Amanda Nunes
- Amanda Ribas
- Amir Albazi
- Anderson Silva
- Andre Fili
- Andre Muniz
- Andrea Lee
- Andrei Arlovski