Alexei Eremenko (born Aleksei Alekseyevich Yeryomenko; Russian: Алексей Алексеевич Ерёменко; born 24 March 1983) is a former professional footballer. He is from a footballing family, with his father, Alexei Eremenko Sr., and brother Roman Eremenko also playing professionally.

Eremenko was born in Rostov-on-Don in the Soviet Union, but grew up in Finland. He made his breakthrough with HJK in 2002, and became known as versatile midfielder and a set piece specialist. A mediocre spell with Italian club Lecce followed, before he came to prominence at Russian club Saturn. He moved to Metalist Kharkiv in 2009, but was loaned out twice, especially impressing with Kilmarnock where he was nominated for the 2010–11 Players' Player of the Year award. He returned to the club on a permanent deal in January 2014. After failing to negotiate a contract extension, he played in Finland until retiring from football in 2017.

Eremenko represented Finland between 2003 and 2013, and was a key player for the team in 2006 World Cup qualifying, scoring seven goals, four of which came from free kicks. He ended his international career with 57 caps in which he scored 14 goals.