Denys Serhiyovych Prychynenko (Ukrainian: Денис Сергійович Причиненко; born 17 February 1992) is a professional footballer who plays as a centre-back for Belgian club Lokeren-Temse.

In 2009, he moved, joining Heart of Midlothian where he was a member of the successful under-19 squad who finished second behind Celtic during the 2010–11 Scottish Premier League under-19 season.

[6] Due to injury he failed to make his debut that season[7] despite that his under 19 form earned him a new three-year contract extending his stay until 2014.

[9] On return from Raith, Denys made his first team début for Hearts as a late substitute in a Scottish Premier League match; a 3–0 win over Aberdeen.

[23] End of February 2016, Prychynenko joined Belgian Second Division side Royal White Star Bruxelles, signing a contract until 2018 including an extension clause.

[24] He appeared in six games until the end of the season, achieving first place in the league with his team, which would usually lead to promotion to the Belgian first division.

[27] On 19 December 2024, following Deinze's bankrupcty, newly promoted Challenger Pro League club Lokeren-Temse signed Prychynenko as a free agent.