Yuriy Oleksandrovych Krymarenko (Ukrainian: Юрій Олександрович Кримаренко; born August 11, 1983) is a Ukrainian high jumper.

His personal best performance is 2.33 m. Krymarenko won a gold medal in the 2005 World Championships in Athletics, clearing the height of 2.32 m which was the lowest winning result for men's high jump since 1983.

[1] The favorites of the contest, most notably Swede Stefan Holm, failed to jump over more than 2.29 m. Krymarenko had started the 2005 season with a silver medal in the European Under 23 Championships in Erfurt, Germany, where he was beaten by the Czech Republic's Jaroslav Bába.

He finished 33rd in the 2008 Summer Olympics with a jump of 2.15 m.

This biographical article relating to Ukrainian athletics is a stub.