John William Smith (born August 9, 1965 (age 47)) is a successful college wrestler, 6-time World Champion, 2-time Olympic Games champion, and is currently the head coach of wrestling at Oklahoma State University.

High school career 
Smith grew up in a wrestling family in Del City, Oklahoma, a suburb of Oklahoma City. His high school career record is 105-5. 4x state champ. His older brother Leroy and younger brother Pat Smith also wrestled for Del City High School and Oklahoma State University. All three became national champions in college. The youngest Smith brother, Mark, wrestled at Oklahoma State and was also an All-American. Smith's nephews Mark and Chris Perry are also national collegiate champions. Mark won two titles while wrestling for the University of Iowa. Chris has won one title so far (with one year of eligibility remaining) under John's tutelage at Oklahoma State University.

College and freestyle career
Smith's college career record is 154-7-2; his domestic freestyle record is 77-3; and his international freestyle record is 100-5.

1984
In Smith's freshman year of NCAA competition, he did not place at the NCAA Tournament.

1985 
In Smith's sophomore year of NCAA competition, he was a Big Eight Runner-up and an NCAA Runner-up.
USA Junior Freestyle Champion.

1986 
Smith took a redshirt year and did not compete in NCAA competition.
USA Senior Freestyle Champion.

Goodwill Games Champion.

1987 
In Smith's redshirt junior year of NCAA competition, he was a Big Eight Champion and an NCAA Champion.

Pan American Champion.

FILA Senior World Freestyle Champion

1988 
In Smith's redshirt senior year of NCAA competition, he was a Big Eight Champion and an NCAA Champion.

USA Senior Freestyle Champion.

Olympic Freestyle Champion.

1989 
World Cup champion
USA Senior Freestyle Champion.

FILA Senior World Freestyle Champion

1990 
USA senior freestyle champion.

FILA Senior World Freestyle Champion.

Goodwill Games Champion.

1991 
World Cup Champion
USA Senior Freestyle Champion.

FILA Senior World Freestyle Champion.

1992 
Olympic Freestyle Champion.

Coaching career 
Smith became the head wrestling coach at Oklahoma State University beginning with the 1991-1992 season. He succeeded Joe Seay, who resigned during an investigation by the NCAA. Smith has coached at OSU for 18 seasons, longer than any other Cowboy mentor except the legendary Edward Gallagher. Smith has a dual meet record of 281-42-4 and the 281 wins are an Oklahoma State record.

His teams have won five NCAA wrestling team titles, in 1994 and 2003 through 2006. His wrestlers have won 26 individual NCAA titles and 102 All-American honors. Smith has also captured 10 conference (Big Eight and Big 12) team titles and his wrestlers have won 82 conference crowns.

Under Smith's watch, Oklahoma State compiled a 21-0 dual meet record in 2005 and capped the season with one of the most dominant showings in the history of the NCAA Championships when an NCAA-record five separate Cowboys (half of the lineup) were crowned as NCAA champions. Zack Esposito won at 149 with Johny Hendricks taking the 165 championship, Pendleton repeating as an NCAA champion at 174, Jake Rosholt claiming the title at 197 and Steve Mocco taking the heavyweight championship.

John coached his nephew Chris to All American honors with a 3rd place finish at NCAA's in 2012 and a national championship in 2013.

Other honors 
Smith was the first American to be chosen Master of Technique and Wrestler of the Year by the International Wrestling Federation (FILA).
Smith was the first wrestler to be voted the James E. Sullivan Award as America's outstanding athlete.

Smith was the first wrestler ever nominated for the World Trophy, which he received in 1992.

Smith was inducted into the National Wrestling Hall of Fame in 1997.
His home high school (Del City High School) in Del City, Oklahoma, bears his name on the field house.

Smith is a member of the Oklahoma Alpha (Oklahoma State) chapter of Sigma Phi Epsilon
Smith also has a move named after him, the John Smith single.