Mikael Ljungberg (June 13, 1970 - November 17, 2004) was a Swedish wrestler from Gothenburg. He competed for Örgryte IS.

Ljungberg was one of the most successful Swedish wrestlers ever. He won World Championship gold medals in 1993 and 1995, European Championship gold medals in 1995 and 1999, and an Olympic gold medal in 2000.

On November 17, 2004, while receiving care at the psychiatric ward of the Mölndal hospital outside Gothenburg, he committed suicide.