Ian Entwistle
“Enty”
9-3-0 · 5'5" · — reach
Ian Escuza
“El Especimen”
8-0-0 · 5'8" · — reach
Ian Freeman
“The Machine”
20-7-1 · 5'11" · — reach
Ian Heinisch
“The Hurricane”
14-5-0 · 5'11" · 72" reach
Ian Loveland
“The Barn Owl”
18-10-0 · 5'8" · — reach
#1Ian Machado Garry
“The Future”
17-2-0 · 6'3" · 74.5" reach
Ian McCall
“Uncle Creepy”
13-5-1 · 5'5" · 64" reach
Iasmin Lucindo
18-6-0 · 5'3" · 66" reach
Ibo Aslan
“The Last Ottoman”
14-4-0 · 6'3" · 77.5" reach
Icho Larenas
6-5-0 · 6'3" · — reach
Ignacio Bahamondes
“La Jaula”
18-7-0 · 6'3" · 75" reach
Igor Araujo
25-9-0 (1 NC) · 6'1" · 77" reach
Igor Cavalcanti
“Jacare”
14-2-0 · 5'11" · 79.5" reach
Igor Pokrajac
“The Duke”
28-13-0 (1 NC) · 6'0" · 74" reach
Igor Severino
8-1-0 · 5'7" · 69" reach
Igor Zinoviev
“Houdini”
4-1-2 · 6'1" · — reach
Ihor Potieria
“Duelist”
20-8-0 · 6'3" · 75" reach
Ike Villanueva
“Hurricane”
18-14-0 · 6'1" · 73" reach
#13Ikram Aliskerov
18-2-0 · 6'0" · 76" reach
Ikuhisa Minowa
“Minowaman”
60-42-8 · 5'9" · — reach
Ildemar Alcantara
“Marajo”
21-11-0 · 6'2" · 78" reach
#1Ilia Topuria
“El Matador”
17-1-0 · 5'7" · 69" reach
Ilian Bouafia
“The Gorilla”
7-1-0 · 6'5" · 78" reach
Iliarde Santos
30-13-1 (1 NC) · 5'5" · 67" reach
Ilias Bulaid
“The Blade”
9-1-0 (1 NC) · 5'8" · 70.5" reach
Ilimbek Akylbek Uulu
11-3-0 · 5'7" · — reach
Ilir Latifi
“The Sledgehammer”
17-9-0 (1 NC) · 5'10" · 73" reach
Imanol Rodriguez
“Himan”
8-1-0 · 5'4" · 64.5" reach
Impa Kasanganay
“Tshilobo”
9-2-0 · 5'11" · 75" reach
In Soo Hwang
“Legendary”
8-2-0 · 5'11" · 74" reach
Ion Cutelaba
“The Hulk”
20-12-1 (1 NC) · 6'1" · 75" reach
Irene Aldana
15-8-0 · 5'9" · 68" reach
Irina Alekseeva
“Russian Ronda”
5-4-0 · 5'8" · 67" reach
Irwin Rivera
“The Beast”
10-6-0 · 5'6" · 67" reach
Isaac Dulgarian
“The Midwest Choppa”
7-2-0 · 5'7" · 71" reach
Isaac Moreno
“Prime Time”
9-0-0 · 6'0" · — reach
Isaac Thomson
9-3-0 · 5'11" · 69" reach
Isaac Vallie-Flagg
16-7-1 · 5'8" · 70" reach
Isabela de Padua
“Belinha”
5-2-0 · 5'3" · 64" reach
Isis Verbeek
“Fight Queen”
5-2-0 · 5'4" · 64" reach
Islam Dulatov
“The Ripper”
12-1-0 · 6'3" · 75" reach
CIslam Makhachev
29-1-0 · 5'10" · 70.5" reach
Islem Masraf
“Lightning”
3-1-0 · 6'0" · 74" reach
Ismael Bonfim
“Marreta”
20-8-0 · 5'8" · 71.5" reach
Ismail Naurdiev
“The Austrian Wonderboy”
26-8-0 · 5'10" · 74" reach
#9Israel Adesanya
“The Last Stylebender”
24-6-0 · 6'4" · 80" reach
Issa Isakov
“Determinator”
11-3-0 · 5'9" · 70" reach
Issei Tamura
10-8-0 · 5'5" · 63" reach