Hans Bertil Ljungberg (26 March 1948 – 31 July 2020) was a Swedish swimmer who won a bronze medal at the 1970 European Aquatics Championships. He competed at the 1968 and 1972 Summer Olympics in eight freestyle, medley and backstroke events; his best achievement was the fourth place in the 4 ÃÂ 200 m freestyle relay in 1972.
In the 1960s he studied at the California State University, Long Beach. In the 2000s, he was still competing in the masters category.