Sam Nixon (born 21 March 1986) is an English singer and television presenter. He came third on the Pop Idol television series in 2003 and is now one half of the duo Sam & Mark, with the other being Mark Rhodes.

He was born in Monk Bretton, Barnsley, England. Nixon was originally a catering student from Barnsley College in South Yorkshire. He attended Holgate School, Barnsley from 1997 to 2002 and is still living in Barnsley.

Nixon's first television appearance was on popular children's game show Fun House presented by Pat Sharp. Nixon and fellow contestant Rosie Feast didn't manage to answer the final question to win the grand prize.

After coming in third on the Pop Idol television series in 2003, he formed a duo with Mark Rhodes, called Sam & Mark. Sam & Mark had a #1 UK chart hit with their cover of The Beatles tune "With a Little Help from My Friends". Their second single "The Sun Has Come Your Way" debuted in the UK top 40 at #19, but they were dropped from their record deal after this release.

Mark Thomas Rhodes (born 11 September 1981) is an English singer and television presenter.

Born in Darlaston, Metropolitan Borough of Walsall, England, Mark finished in second place in the second series of Pop Idol in the UK, runner-up to Michelle McManus. After Pop Idol, he teamed up with third-place Sam Nixon, releasing two singles under the name Sam & Mark. In February 2004, their cover of the song "With a Little Help from My Friends" reached #1 in the UK singles chart, remaining there for one week. Their second single 'The Sun Has Come Your Way" only reached #19 in the singles chart. The pair were subsequently dropped from their record label.

Mark went on to co-present Top of the Pops Reloaded with Sam Nixon and Fearne Cotton in 2004. From April 2006, Mark co-hosted the weekday children's breakfast show Level Up on BBC Two alongside Nixon and Ayesha Asantewaa. Level Up finished its first series in September 2006.

Since September 2006, Rhodes co-presents BBC Two's Saturday morning show TMi alongside Sam Nixon and television presenter Caroline Flack. He has his own short segment of the show called "Question Mark", A feature where he tries to answer viewers' questions, but Caroline and Sam talk through it. In later series Caroline left and the show moved to Fridays. He also co-presented Do Something Different with Sam Nixon and Ayesha Asantewaa. Sam and Mark have produced children's reality series, Who wants to be a Superhero? and Sam and Mark's guide to Dodging Disaster.