Deniss Smirnovs (born 7 March 1999) is a Latvian professional ice hockey centre for EHC Kloten of the National League (NL).

Smirnovs played his junior hockey in Switzerland which allows him to compete in the NL and the SL with a Swiss player-license.

On 8 August 2019 Smirnovs signed his first professional contract with Genève-Servette HC, after having played 5 seasons with the organization's junior teams.

[1] Smirnovs made his National League debut with Genève-Servette HC on 13 September 2019 against the SCL Tigers at the Ilfis Stadium.

[2][3] Smirnovs made his debut with Latvia men's national ice hockey team in 2018.