Joko Mardianto (born 1965) is a former Indonesian badminton player in the late 1980s to early 1990s.

Joko Mardianto is a doubles specialist, namely men's doubles and mixed doubles.

At the 1989 SEA Games, Mardianto won a bronze medal in the men's doubles with Aryono Miranat and a silver medal for the men's team.

[1] His brilliant career continued after successfully winning the mixed doubles number with Sri Untari at the 1992 Asian Badminton Championships.

[2] Mixed doubles Men's doubles The World Badminton Grand Prix sanctioned by International Badminton Federation (IBF) from 1983 to 2006.