Denis Yevseyev (born 22 May 1993) is a Kazakh tennis player.
Yevseyev has a career high ATP singles ranking of world No. 167 achieved on 20 May 2024. He also has a career high ATP doubles ranking of No. 247 achieved on 12 July 2021.
He played at the 2017 Asian Indoor and Martial Arts Games in singles but was defeated by Farrukh Dustov in the quarterfinal. In men's doubles partnering Timur Khabibulin, he lost the final and won a silver medal.
Yevseyev participated at the 2018 Asian Games in Jakarta, Indonesia. In singles, he lost to the bronze medalist South Korean Lee Duck-hee in the third round. In doubles, he won the silver medal after losing in the final with his partner Alexander Bublik against the Indian duo of Rohan Bopanna and Divij Sharan.
In 2019, Yevseyev was nominated for the Kazakhstan Davis Cup team but did not participated in a match.
Yevseyev made his ATP main draw debut at the 2020 Astana Open in the doubles draw partnering Mohamed Safwat.
He reached his maiden Challenger final at the President's Cup in Nur Sultan, Kazakhstan. As a result he reached a new career-high ranking in the top 300 at World No. 269.
He made his debut in qualifying at a Masters 1000 level at the 2023 Rolex Shanghai Masters. He finished the 2023 season ranked No. 190 and reached a new career-high ranking of No. 176 in the top 200 on 29 January 2024.