Kjastas Poudžuks (born 23 August 1986) is a motorcycle speedway rider from Latvia and the former Latvian champion.

[1][2] Puodžuks rode in the top tier of British Speedway riding for the Oxford Cheetahs during the 2005 Elite League speedway season.

[3][4] He was signed by the Oxford promoter Nigel Wagstaff.

[5] Puodžuks was part of the Lokomotiv Daugavpils team that first competed in the Polish leagues in 2005.

[6] In 2009, he rode for the first time in the Allsvenskan (the Swedish leagues).