Denis Anatolyevich Gnezdilov (; born 9 October 1986) is a Russian Paralympic athlete who specializes in the F40 shot put event.
Gnezdilov was born in Rustavi, Georgia, with a congenital dwarfism disorder. He then moved to Sochi, Russia, where he started training in the shot put in 2015. He debuted internationally in 2019, winning the F40 shot put event at the World Championships. Two years later he won a gold medal at the 2020 Paralympics, setting a world record.