Thomas Tumba Exaucia (born 15 April 2001) is a Finnish basketball player who plays for Kataja Basket in Korisliiga.
In August 2018, Tumba received an invitation with Awak Kuier to attend the Basketball Without Borders talent camp in Belgrad, Serbia.
Tumba returned to Finland and signed with Joensuu-based team Kataja BC for the 2022–23 season.
At the end of the season, Kataja won the Finnish Cup title, and the silver medal in Korisliiga.
[8] On 29 July 2024, Tumba signed with Spanish team CB Morón in LEB Oro.