Deniss Vasiljevs (born 9 August 1999) is a Latvian figure skater.
He is the 2016 Youth Olympics silver medalist.
He is also the 2015 CS Tallinn Trophy bronze medalist, the 2016–17 and 2017-18 Cup of Tyrol champion, the 2018 Minsk-Arena Ice Star champion, and a three-time Latvian national champion.
He finished in the top ten at the 2017 European Championships, in the top five at the 2018 European Championships and in the top ten at the 2018 World Championships.
Earlier in his career, Vasiljevs won two silver medals on the ISU Junior Grand Prix (JGP) series.
He is the first Latvian skater to make the podium at a JGP event.