Jonathan Mridha (born 8 April 1995) is a Swedish tennis player.
Mridha has a career high ATP singles ranking of 508, achieved on 20 November 2017.
He also has a career high ATP doubles ranking of 508 achieved on 9 May 2016.
Mridha made his ATP main draw doubles debut at the 2015 Swedish Open partnering Fred Simonsson where they reached the quarterfinals.
Mridha represents Sweden at the Davis Cup, where he has a W/L record of 1–1.
He made his debut at the 2018 Davis Cup World Group Play-offs against Switzerland.
In his first match he lost against Henri Laaksonen.
Two days later he played the decider match against Sandro Ehrat and won the match in four sets.