Tomas Vaitkus, Lithuanian cyclist

Tomas Vaitkus (born 4 February 1982) is a Lithuanian professional road racing cyclist riding for UCI Continental team Rietumu Banka–Riga.

Vaitkus, nicknamed Tomas the Tank Engine, made his Tour de France debut in the 2007 edition but had to abandon after a serious crash at the end of stage two. Team RadioShack announced that he would be joining the team in 2010. He rejoined Astana in 2011. On 29 August 2011, it was announced that Vaitkus would join GreenEDGE for its inaugural season in 2012.