อีแวน โคลอฟฟ์
"เดอะ รัสเซียน แบร์" อีแวน โคลอฟฟ์ ("The Russian Bear" Ivan Koloff) (ชื่อเกิด ออเรียล ดอนัลด์ เปร์ราส Oreal Donald Perras ; 25 สิงหาคม ค.ศ. 1942 – 18 กุมภาพันธ์ ค.ศ. 2017) เป็นนักมวยปล้ำอาชีพที่เกษียณอายุชาวแคนาดา อดีตแชมป์โลกเฮฟวี่เวท WWWF 1 สมัย ปัจจุบันได้เสียชีวิตลงด้วยโรคมะเร็งตับ

ในปี 2025 เขาได้ถูกเสนอชื่อเข้าสู่หอเกียรติยศ WWE สาขาเลกาซีวิง
ผลงานแชมป์ความสำเร็จ
* American Championship Wrestling
** ACW United States Championship (1 time) 
* Atlantic Coast Wrestling
** ACW Tag Team Championship (1 time) – with Vladimir Koloff 
* Cauliflower Alley Club
** Iron Mike Mazurki Award (2013) 
* Championship Wrestling from Florida
** NWA Florida Tag Team Championship (5 times) – with Pat Patterson (1), Masa Saito (3), and Nikolai Volkoff (1) 
** NWA Southern Heavyweight Championship (Florida version) (1 time)
* Coastal Real Extreme Wrestling
** CREW Heavyweight Championship (1 time)
* CWF Mid-Atlantic
** CWF Mid-Atlantic Tag Team Championship (1 time) – with Sean Powers
*George Tragos/Lou
id-Atlantic Tag Team Championship (1 time) – with Sean Powers
*George Tragos/Lou Thesz Professional Wrestling Hall of Fame
** Frank Gotch Award (2009) 
* Georgia Championship Wrestling
** NWA Georgia Tag Team Championship (7 times) – with Ole Anderson (5), and Alexis Smirnoff (2) 
* Great Lakes Wrestling Association
** GLWA United States Heavyweight Championship (1 time) 
*High Volume Pro Wrestling
**HVPW Hall of Fame (2014) 
* International Wrestling Enterprise
** IWA World Tag Team Championship (1 time) – with Maurice Vachon 
* International Wrestling Association (Montreal)
** IWA International Heavyweight Championship (1 time)
* Maple Leaf
n (Montreal)
** IWA International Heavyweight Championship (1 time)
* Maple Leaf Wrestling
** NWA Canadian Heavyweight Championship (Toronto version) (1 time)
** NWA Television Championship (Toronto version) (2 times)
* Masterz of Mayhem
** MoM USWA North American Heavyweight Championship (1 time) 
* Mid-Atlantic Championship Wrestling/Jim Crockett Promotions
** NWA Mid-Atlantic Heavyweight Championship (3 times) 
** NWA Mid-Atlantic Tag Team Championship (1 time) – with Don Kernodle
** NWA Mid-Atlantic Television Championship (2 times) 
** NWA Television Championship (3 times)
** NWA United States Tag Team Championship (2 times) – with Krush
ship (3 times)
** NWA United States Tag Team Championship (2 times) – with Krusher Khruschev (1), Dick Murdoch (1)
** NWA World Six-Man Tag Team Championship (2 times) – with Nikita Koloff and Krusher Khruschev (Baron von Raschke with Krusher injured) (1), The Barbarian and The Warlord (1)
** NWA World Tag Team Championship (Mid Atlantic version) (5 times) – with Nikita Koloff (1), Nikita Koloff and Krusher Khruschev (1), Ray Stevens (1), Don Kernodle (1), and Manny Fernandez (1) (substituting for Rick Rude who had left for the WWF 
**NWA United States Tag Team Championship Tournament (1986) – with Krusher Khruschev 
* Mid-Atlantic Wrestling
ampionship Tournament (1986) – with Krusher Khruschev 
* Mid-Atlantic Wrestling Alliance
** MAWA Heavyweight Championship (1 time) 
* NWA Charlotte
** NWA Charlotte Legends Championship (1 time)
* Professional Wrestling Hall of Fame and Museum
** (Class of 2011) 
* Southern Championship Wrestling
** SCW Hall of Fame (Class of 1999) 
*St. Louis Wrestling Hall of Fame
** Class of 2024
* Virginia Wrestling Association
** VWA Heavyweight Championship (1 time) 
* Western Ohio Wrestling
** WOW International Heavyweight Championship (1 time) 
* World Wide Wrestling Federation/WWE
** WWWF World Heavyweight Championship (1 time) 
**WWE Hall of Fame (C
ation/WWE
** WWWF World Heavyweight Championship (1 time) 
**WWE Hall of Fame (Class of 2025 - Legacy wing) 
* World Wrestling Association
** WWA World Heavyweight Championship (1 time) 
* World Wrestling Council
** WWC Puerto Rico Heavyweight Championship (1 time) 
* Wrestling Observer Newsletter
** Wrestling Observer Newsletter Hall of Fame (Class of 2015)
อ้างอิง

* Wrestling With God, Chad Bonham, 2001, ISBN 1-58919-935-9, pp. 179–197.

แหล่งข้อมูลอื่น
* IvanKoloff.com (Official Website)
* 
* "Is That Wrestling Fake? The Bear Facts" by Ivan Koloff and Scott Teal