| Birth Place: | Vlaardingen, Netherlands |
| Country: | Netherlands |
| Weight Class: | –90 kg |
| Rank Ref: | [1] |
| Dan: | 7 |
| Worlds Rank: | 3 |
| Worlds Year: | 2005 |
| Worlds Weight: | Men's 90 kg |
| Regionals Type: | EU |
| Regionals Rank: | 1 |
| Regionals Year: | 1996 |
| Regionals Weight: | Men's 86 kg |
| Regionals Year2: | 1997 |
| Regionals Weight2: | Men's 86 kg |
| Regionals Year3: | 1998 |
| Regionals Weight3: | Men's 90 kg |
| Regionals Year4: | 2001 |
| Regionals Weight4: | Men's 90 kg |
| Regionals Year5: | 2008 |
| Regionals Weight5: | Men's 90 kg |
| Olympics Rank: | 1 |
| Olympics Year: | 2000 |
| Olympics Weight: | Men's 90 kg |
| Updated: | 30 May 2023 |
Mark Huizinga (born 10 September 1973) is a Dutch judoka and Olympic champion.
Huizinga was born in Vlaardingen, South Holland in Netherlands in 1973. He won the gold medal in the men's under 90 kg class at the 2000 Summer Olympics by defeating Brazil's Carlos Honorato by ippon. He took bronze at the 1996 and 2004 Summer Olympics. Other laurels include five European Championships and a bronze medal at the 2005 World Championships. Huizinga retired after the 2008 Olympics.
On 20 January 2010, Huizinga participated in De Nationale IQ test (The National IQ test) of Dutch broadcaster BNN, an informal quiz/comedy show. He was rated with an intelligence quotient of 142, an all-time record on the show.[2]