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Gellar, Sarah Michelle
"Buffy" is a former champion figure skater. She has studied taekwondo (she has a black belt), and has also studied kickboxing, boxing, street fighting, and gymnastics.
Gabosky, Igwe Real name: Gabriel Onyiyechi Okoye. He is a famed Nigerian "Nollywood" Movie producer and businessman. Mr Okoye holds a martial art black belt.
Gibson, Mel Mel Gibson reportedly practices in Brazilian Jiu-Jitsu and Tai Chi Chuan and is well versed in them both.
Gomez, Jaime Jaime "Taboo" Gomez from the hip-hop band Black Eyed Peas has trained in Jeet Kune Do from the age of 12.
Grybauskaite, Dalia Dalia Grybauskaite is a Member of the European Commission, and trained as an economist at Leningrad University. She's a former senior diplomat and finance minister of Lithuania. She is considered a tough negotiator within the EU and holds a black belt in karate.
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Hague, William The British former Conservative Party leader William Hague is a blue belt in judo, and a member of Budokwai, a fashionable judo club in Chelsea, London. Hague usually visits the club twice a week in order to tussle with Sebastian Coe.
Hamilton, Lewis British Formula-1 race driving ace Lewis Hamilton has a karate background. Growing up a mixed-race son of a broken home - he reportedly was bullied at school and learned karate to cope.
Hansen, Bjarne H. Mr. Hansen is a well-known Norwegian politician and Minister of Employment. He holds a brown belt in judo.
Hanson, Jewels Country artist Jewels Hanson is the lead singer for Appaloosa, the house band at the Saddle Rack in Fremont. She does taekwondo.
Hashimoto, Ryutaro Ryutaro Hashimoto, prime minister of Japan from 1996 to 1998, has been practising kendo since he was a child. He holds a very high level in the sport.
Hayden, Brent Canadian World Champion swimmer Brent Hayden is reportedly a black belt in karate.
Hayden, Diana
The former miss world (1997) from India keeps in shape with wushu. "If I am not shooting I do my martial arts. Martial arts keep me fit. It not just helps in the physical strength and appearance but martial arts is also about your mind. It helps in your overall development."
Hector, Jamie Actor Jamie Hector, known from HBO's 'The Wire', teaches community children in martial arts. His father is allegedly a martial arts teacher.
Hijazi, Amal
Amal Hijazi is a Lebanese (Arabian) singer who is also a black belt in karate.
Holder, Janice The Tennessee state Supreme Court Justice Janice Holder is a karate black belt (3. dan).
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Ibrahim, Abdullah
Ibrahim is a South African jazz legend, pianist and composer. He is a very knowledgable 8. dan black belt with a Japanese Menkyo-kaiden (official teaching licence) certificate.
Ice-T
The rapper, who's real name is Tracy Morrow, is well versed in jujitsu. "I've taken martial arts all my life and I box," the rapper states.
Imperioli, Michael
The Sopranos star (he plays mobster Christopher Moltisanti) has found a way to quit smoking - take up taekwondo.
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Jackson, Jesse
According to reports, Illinois Democrat Congressman Jesse Jackson, Jr. is a black belt in karate.
Jaco, Wasalu
The Muslim rapper is known as Lupe Fiasco. He is son of Gregory Jaco, a former Black Panther and martial-arts expert. Jaco holds four martial arts black belts, according to interviews.
Jackson, Michael
Michael, as well as the rest of his brothers used to study kung fu with sifu Kam Yuen, according to reports.
Jensen, Siv
Norwegian female leader of the second largest political party (FrP). She is hailed by some as a possible future Prime Minister of Norway. Jensen has done ju jitsu (Ju Jitsu Norway), and was also an instructor in the art.
Juan Carlos I, King of Spain
The King of Spain, who's full name is Juan Alfonso Carlos VÃctor MarÃa de Borbón y Borbón-Dos Sicilias, is reportedly graded in taekwondo.
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Kain, Khalil
Khalil Kain is a black belt in Hapkido. He became known in the 1992 film Juice. Six years later he portrayed golf phenom Tiger Woods in the movie "The Tiger Woods Story".
Kavanau, Ted Ted Kavanau, is one of the founders of CNN. He is a black belt in karate.
Kerik, Bernard Bernard Kerik is a former police commissioner in New York. He is also a high ranking karate teacher.
Kapoor, Kunal
Kunal Kapoor is a well known Indian movie ('Bollywood') actor. He is studying Goju-Ryu karate. Prior to this, he was learning Tai Chi.
Koppikar, Isha
Isha (or Eesha) Koppikar is a famous Indian Bollywood actor. She trains taekwondo. "I start my day with Taekwondo and dancing."
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Lamas, Lorenzo Lorenzo (y de Santos) Lamas from 'Falcon Crest' fame began learning martial arts (karate and taekwondo) in 1979, and now has a black belt in Shotokan karate.
Le Bon, Yasmin
Model Yasmin Le Bon, wife of Duran Duran lead singer Simon Le Bon, says she keeps in shape with a weekly judo workout.
Lewis, Emmanuel
Records show Emmanuel Lewis of "Webster" TV fame has dan grades in American karate and taekwondo.
Lincoln, Abe Former American Presidents Abraham and George Washington were respected wrestlers. Let's forget for a while that purists don't like to call wrestling a martial art - let's rather add him to the list of martial arts celedrities

Liu, Lucy
The 'Kill Bill' and 'Ally McBeal' actress practices martial arts, including kali/eskrima and silat.