Around the globe, Demarcus (Demarcus 
) is quite a rare masculine forename. The given name Demarcus is characteristic of Northern America, particularly the United States, where it is quite a rare boy's name. Very seldom, Demarcus is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Demarcus | Argentina, Italy, New Zealand, United States, Malaysia |
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demarcus ware American football player, US (b. 1982) |
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demarcus nelson American basketball player, US (b. 1985) |
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demarcus dobbs American footballer, US (b. 1987) |
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demarcus van dyke player of American football, US (b. 1989) |
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demarcus cousins American basketball player, US (b. 1990) |
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demarcus lawrence American football player, US (b. 1992) |
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demarcus robinson American football player (born 1994), US (b. 1994) |
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demarcus walker American football defensive end, US (b. 1994) |
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| demarcus corley American boxer, US (b. 1974) |
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| demarcus faggins player of American football, US (b. 1979) |
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| demarcus blunt college basketball player (2010–2010) Grambling |
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| demarcus wilkins college basketball player (2001–2004) Florida A&M |
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| demarcus grady college basketball player (2011–2012) Northern Illinois |
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| demarcus minor college basketball player (1998–2001) Marquette; Baylor |
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| demarcus mathis college basketball player (2005–2005) South Carolina State |
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Lee, Thomas, Turner, Harris, Oliver, Walker, Wilson, Wright, Stewart, Collins, Coleman, Daniels, Jackson, Johnson, Edwards, Wallace, Mitchell, Anderson, Robinson, Thompson, Williams, Alexander, Taylor, Jordan, Rogers, Brooks, King, Hall, Hill, Moore, Scott, Smith, Allen, Clark, Brown, Davis, Henderson, Green, James, Jones, Evans, White, Young, Martin, Miller, Carter, Barnes, Bailey, Lewis, and Washington