Date of Birth: 
Place of Birth: Karlsborg, Västra Götaland County, Sweden
About Johan Wallberg
- Johan Mikael Wallberg (born 18 March 1977 in Karlsborg, Sweden) is a former freestyle swimmer from Sweden.
- He competed twice at the Summer Olympics for his native country, in 1996 and 2000, both in the Men's 4x100 m Freestyle Relay.
- After his active career he became coach for Swedish swimmer Therese Alshammar.
- During the autumn of 2016, he became coach for Sarah Sjöström..
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