Mark Ballas Jr.

- Full name: Mark Alexander Corky Ballas, Jr.
- Born: May 24, 1985
- Birthplace: Houston, Texas
- Previous partners: Sabrina Bryan and Kristi Yamaguchi
- May 20, 2008: Won season 6 of Dancing with the Stars
- Highest average score of any dancer on the showRealityTV: Dancing With The Stars
- Resides in Los Angeles

Mark Ballas Jr. is a professional ballroom dancer who appears on ABC's reality show, Dancing with the Stars. Ballas is a member of the Ballas Hough Band where he plays lead guitar and sings.
For the eigth season of Dancing, Ballas paired with Olympic athlete Shawn Johnson. On March 23, 2009, Robert O'Ryan was apprehended by police while trying to break into the set of the show in search of Johnson.TMZ: Gun-Toting Shawn Johnson Fan Arrested (March 25, 2009) The cast was informed after the show ended that day. Gossip website TMZ reported that Johnson has hired an off-duty police officer as a bodyguard. The Los Angeles District Attorney is expected to file charges against O'Ryan sometime on March 26, 2009.TMZ: Shawn Johnson Under Tight Surveillance (March 26, 2009)
Injury

Ballas suffered a groin injury in late December 2008 during his tour with Dancing with the Stars. Ballas stated that he would have to "sit out for a couple of weeks to heal." He returned to the show for its eighth season.People: Mark Ballas Injured on Tour (December 28, 2008)
Dancing With The Stars

He began working with Dancing with the Stars during the shows 5th season in 2007 when he teamed up with Cheetah Girl Sabrina Bryan. Although they were eliminated during the sixth week of airing, the two began dating in real life.TVGuide: Sabrina Bryan (November 4, 2007)
Ballas teamed up with Olympic gold medalist figure skater Kristi Yamaguchi. The pair won the sixth season of the show on May 20, 2008.Official Site: Mark Ballas
On August 25, 2008, ABC announced that Ballas would be returning for season 7 and would be paired with Kim Kardashian.Official Site: New Cast Revealed