Thomas Pieters (born 27 January 1992) is a Belgian professional golfer who currently plays on the European Tour and LIV Golf.

In August and September, he won the D+D Real Czech Masters and the KLM Open in consecutive tournaments played and moved into the top 100 in the OWGR.

In September 2017, the European Tour announced that it would be returning to Belgium for the first time in 18 years with Pieters hosting the Belgian Knockout – a unique strokeplay and matchplay format – in May 2018.

[9] In August 2019, Pieters shot a 3-under 69 to become the first golfer to win the D+D Real Czech Masters for the second time, beating Adri Arnaus by one stroke.

[11] Two months later, Pieters won the Abu Dhabi HSBC Championship for his sixth European Tour win and first Rolex Series victory.