Evaldas Šiškevičius (born 30 December 1988) is a Lithuanian professional road bicycle racer and mountain biker, who rides for UCI Continental Delko–Marseille Provence KTM.

Born in Vilnius, Šiškevičius has competed as a professional since the start of the 2011 season, as the La Pomme Marseille team he had been a member successfully became a Continental team. Šiškevičius won the Volta ao Alentejo in 2011 – as well as a stage during the event – before winning the GP de la Somme in September 2012.

Šiškevičius left La Pomme Marseille at the end of the 2012 season, and joined Sojasun for the 2013 season. Šiškevičius returned to Team La Pomme Marseille 13 for the 2014 season, after Sojasun folded at the end of 2013.