Demetrius, also spelled as Demetrios, Dimitrios, Demitri, and Dimitri (from Greek — Δημήτριος, Demetrios pertaining to Demeter), is a male given name.

Demetrius and its variations may refer to the following:

Vanes Norik Martirosyan (Armenian: Վանես Մարտիրոսյան) (born May 1, 1986 in Abovyan, Armenia) is an Armenian-American professional boxer.

Vanes is the currently the WBC Silver Light Middleweight Champion. He is ranked the #1 contender in the WBC, the #9 light middleweight on BoxRec.com and the #3 light middleweight by The Ring.

Vanes was born on May 1, 1986, in Abovyan, Armenia. Vanes' father, Norik Martirosyan, was a boxer in Armenia who worked for an industrial company and was also in the army. Vanes has two brothers, one older and one younger, and a sister.

His family moved to Glendale, CA when he was four years old. He started boxing when he was seven after his father found out there was a gym nearby.

Martirosyan was taken out of junior high school by his father and became home-schooled once it had become clear that he needed to keep his son’s fighting confined to the ring.

Martirosyan was an eight-time National Champion and a Golden Gloves Champion.

In 2004, after winning a match against Haiti's Andre Berto in the 1st AIBA American 2004 Olympic Qualifying Tournament in Tijuana, Mexico, Vanes secured a spot in the US Olympic Team. He represented the United States at the 2004 Olympics as a Welterweight. He was on the same olympic team as Andre Ward and Andre Dirrell.

Demetrius "Boo Boo" Andrade ( /ˈændrəd/ AN-drəd; born February 26, 1988 in Providence, Rhode Island) is a professional boxer from the United States best known for winning the 2007 world championships as an amateur. He made his professional debut October 23, 2008. Demetrius represented the United States in the 2008 Olympics. He is trained by David Keefe and his father, Paul Andrade.

A Providence native of Cape Verdean descent, southpaw Andrade began boxing in 1994 at the age of 6. His nickname is "Boo Boo" and he currently competes in the light middleweight division.

Andrade won the United States Amateur Boxing Championship in 2005, and repeated it in 2006 when he also won the National Golden Gloves. He again won the National Golden Gloves in 2007, but did not compete in the U.S. Amateurs that year due to injury.^{[citation needed]}

Andrade initially struggled at the international level, losing to Eastern European opponents at the World Cup in 2005 and 2006. However, he won the silver medal at the 2007 Pan American Games in Rio de Janeiro, losing controversially in the gold medal match to Brazilian hometown favorite Pedro Lima by a narrow 7-6 margin.^{[citation needed]}

Demetrius "Hook" Mitchell, also known as Waliy Abdur Rahim (born September 10, 1968) is a former streetball player. He is considered by several NBA All-Stars to be the greatest player to never reach the NBA. He attended McClymonds High School in West Oakland.

Munro Chambers is a Canadian actor, best known for his role as Wilder on The Latest Buzz and his new role as Elijah "Eli" Goldsworthy on Degrassi. His identical twin brother named Thomas Chambers is also an actor.