Dmitry Yevgenyevich Popko (Дмитрий Евгеньевич Попко; born 24 October 1996) is a Russian-born Kazakhstani tennis player who competes mainly on the ATP Challenger tour. He has a career high ATP singles ranking of World No. 162 achieved on 25 October 2021 and a doubles ranking of No. 304 achieved on 1 May 2017.
Popko represents Kazakhstan at the Davis Cup. He defeated Chinese tennis player Zhang Ze in his first tie.
Popko has participated in qualifying for all four of the Grand Slams.