Pavel Alexandrovich Iliashenko (Russian: Павел Александрович Ильяшенко; born 23 June 1990 in Ufa, Russian SFSR, Soviet Union) is a modern pentathlete from Kazakhstan.

[1][2] He competed at the 2012 Summer Olympics in London, where he finished twenty-ninth in the men's event, with a score of 5,432 points.

[2] Iliashenko also won a silver medal at the 2011 UIPM Junior World Championships in Buenos Aires, Argentina.

He competed in the men's individual event at the 2018 Asian Games held in Jakarta, Indonesia.

This biographical article related to modern pentathlon in Kazakhstan is a stub.