Denis Sergeyevich Spitsov (; born 16 August 1996) is a Russian cross-country skier who competes internationally.
Spitsov debuted in the World Cup in Davos, Switzerland, on 9 December 2017. He participated at the 2018 Winter Olympics, where he won a bronze medal in 15 km interval race, two silver medals in team sprint (with Alexander Bolshunov) and men's relay. Spitsov also finished fourth in 30 km skiathlon.
All results are sourced from the International Ski Federation (FIS).
<span style="font-size:95%">Distance reduced to 30 km due to weather conditions.</span>
On 10 February 2022, Spitsov, who was previously senior lieutenant, received the rank of captain by the National Guard of Russia.