| Johan Wallberg | |
| National Team: | Sweden |
| Birth Date: | 1977 3, df=yes |
| Birth Place: | Karlsborg, Sweden |
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 4 × 100 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.[1]