The 31-year-old has been allowed to join the Swedish side on a free transfer as his contract with Wigan was set to expire at the end of the season.
Edman has been struggling with injuries during his time at the DW Stadium.
Edman has signed a five-year deal with Helsingborg.
“It feels fantastic to come home and hopefully I add my experience from the top level.” Edman told the club’s official website.
