Mark Worthington (born 8 June 1983) is an Australian basketball player for the Willetton Tigers of the NBL1 West.

[1] He played for the Bunbury Slammers as a youth and started his career as a development player for the Cairns Taipans.

After a standout career at Metro State, Worthington made his debut with the Sydney Kings of the National Basketball League, winning the NBL Rookie of the Year Award in 2005–06.

[11] Worthington was named in the Sydney Kings 25th Anniversary Team in 2013[12] and the Basketball WA Hall of Fame in 2022.

In February 2016, Worthington was appointed head coach of QBL women's side, the Cairns Dolphins.

[17] In October 2019, Worthington was appointed head coach of SBL men's side, the South West Slammers, for the 2020 season.

[23] In August 2012, it was announced that Worthington was considering a switch to play Australian rules football for the West Coast Eagles.