Kieran Edward Richardson (born 21 October 1984) is an English footballer who plays for Sunderland. He is a left winger, but has proven to be extremely versatile; having also played as a left back, right winger, central midfielder and recently as a support striker.

Richardson was schooled at the private and non-selective Riverston Independent Day School in Lee, London. He began playing football at Parkwood Primary School and his talent was very apparent at this young age, he was made captain of his school team and was invited to train with Arsenal.

He then moved to West Ham United where he would begin training professionally. However, before he made his debut for the Londoners, he was signed by Manchester United in 2001.

During his first season at Manchester United, Richardson established his place as a regular on United's reserve team. He was given squad number 42 for the first team, but he failed to make his debut with them.

During summer 2002, Richardson was fully involved with the first team during their pre-season. Subsequently he made his first appearance for Manchester United on 23 October 2002 when coming on as a late substitute in a match against Olympiacos in the UEFA Champions League. He then scored his first goal for United in the League Cup on 5 November 2002 against Leicester City, although he had yet to make his Premiership debut for the club at that time. Richardson enjoyed his first breakthrough during the 2002–03 season appearing nine times and scoring a goal for the first team. He also played a role in Manchester United's youth team's win of the 2003 FA Youth Cup.

Kieron Mark Richardson (born 12 January 1986; Eccles, Greater Manchester, England) is an English actor best known for playing the role of Ste Hay in Hollyoaks.

After appearing briefly in the late night Hollyoaks: In the City, Richardson was offered the role of Ste Hay in the early evening Hollyoaks where he appeared for 19 episodes. The character was written out of the show after stealing a car, which resulted in a spectacular crash and his character getting sent to prison. He returned to Hollyoaks on 25 September 2007, and has been a regular cast member since.

Richardson has also made appearances in Holby City, Heartbeat and the feature film Fragments, as well as the pantomime Cinderella as Prince Charming at The Embassy Theatre, Skegness in 2006.

Richardson took part in 2010 series of ITV's Dancing on Ice and was paired with series newcomer Brianne Delcourt. He reached the final, finishing in third place.

In 2011, Richardson and his Hollyoaks co-star Bronagh Waugh started presenting on radio station Gaydio.