On 23 April 2018, Norton signed a three-year deal with the Perth Wildcats. On 28 January 2019, he was ruled out for the rest of the 2018–19 regular season with a tear to his left calf muscle.

In September 2017, Norton was named vice-captain of the Illawarra Hawks ahead of the 2017–18 season. On 7 December 2017, he was ruled out for six weeks after undergoing surgery on a fractured thumb.

On 7 April 2016, Norton signed with the Southland Sharks for the rest of the 2016 New Zealand NBL season as an injury replacement for his former Crocodiles teammate, Jordair Jett. However, his stint with the Sharks lasted just two games, as he was brought into the All-Australian team for their China tour. He later re-joined the squad in mid May.

With the demise of the Townsville Crocodiles following the 2015–16 season, Norton immediately became a free agent and was heavily sought after by a number of rival NBL clubs. Despite receiving a number of higher financial offers, it was the prospect of playing under head coach Rob Beveridge that lured him to the Illawarra Hawks, signing a two-year deal with the club on 21 April 2016.

On 13 October 2016, Norton suffered a hamstring injury in the Hawks’ second game of the 2016–17 season. On 14 February 2017, he re-signed with the Southland Sharks for the 2017 New Zealand NBL season.

In 2014–15, Norton again earned the Mark Bragg Medal after averaging 7.9 points and 2.9 assists in 28 games.

In June 2013, Norton was named in the Australian squad for the 2013 Stanković Cup and World University Games. Australia went on to win gold and silver respectively.

In 2012, Norton joined the Crocodiles’ full roster and subsequently averaged 4.1 points in 28 games during the 2012–13 NBL season. He improved dramatically in 2013–14 as he averaged 6.9 points and 2.6 assists in 27 games while leading the league in free throw percentage with 88.5%. He was awarded the Mark Bragg Medal at the end of season gala night for in honour of the Players’ Player Award. He also garnered the Mike Kelly Medal for the Best Defensive Player on the Crocodiles’ 2013–14 team.

In July 2012, Norton was named in the 2012 Australian Stanković Cup squad. The Boomers went on to finish in second place.

In 2011, Norton joined the Townsville Crocodiles for the 2011–12 NBL season. However, due to a foot injury, he managed just five games while averaging 2.2 points per game.

Born and raised in Townsville, Queensland, Norton attended Pimlico State High School and the Australian Institute of Sport as a youth, while also representing Queensland North at Under 16 and Under 18 Australian Basketball Championships between 2007 and 2009. In 2010, he represented Australia at the FIBA Under-17 World Championship. He also represented Queensland in 2010 and 2011 at the Australian Under 20 Championships.

Mitchell Robert Norton (born 1 April 1993) is an Australian professional basketball player for the Perth Wildcats of the National Basketball League (NBL). He has previously played for the Townsville Crocodiles, Illawarra Hawks and Southland Sharks, and for the Townsville Heat in the Queensland Basketball League.