X Factor was the Swedish version of The X Factor, with the only season of the series debuting on September 9, 2012 and ending on December 7, 2012. The winner of the series was Awa Santesson-Sey. TV4 announced in January 2013 that Idol, another singing talent show seeking to discover the best singer through nationwide auditions, would return in 2013 and that X Factor would not continue.^[1]

  Contestant in "Boys" category
  Contestant in "Girls" category
  Contestant in "Over 25s" category
  Contestant in "Groups" category

In the show's only season, each judge was allocated a category to mentor and chose three acts to progress to the live shows. This table shows which category each judge was allocated and which acts he or she put through to the live shows.

Key:

  – Winning judge/category. Winners are in bold, eliminated contestants in small font.

The only season of X Factor premiered on September 9, 2012 and ended on December 7, 2012.^[2] Leona Lewis, Axwell and E.M.D. were guest judges of the series at one point. Also, Britney Spears appeared in a video message to the contestants in the Girls category.^[3] One Direction and Olly Murs also performed on the live results shows.

24 acts reached judge's houses. Orup was helped by Eric Gadd, Ison by Leona Lewis, Carlsson by Axwell and Marie by E.M.D.

The twelve eliminated acts were:

• Boys: Simon Issa, Adam Kanyama, Lukas Wallströmer
• Girls: Sabina Ddumba, Juliette Holmqvist, Sara Nutti
• Over 25s: Kristin Amparo, Sofia Emefors, Christine Zakrisson
• Groups: Fusion, Natural Blondes, Sentiment Falls

Xtra Factor was an after show which was broadcast after every week's live show and results. It was hosted in season one by Sara Lumholdt and Martin Björk.^[4]

In Week 4, David Hellenius incorrectly announced that Manda Nilsénius had received fewer public votes than Hey Mary from deadlock and had to leave the competition. But after checking the votes, it was revealed that Hey Mary had received the fewest votes in that week.^[5] Therefore, it was decided that both acts would continue to Week 5; to make up for this, two acts would be eliminated in Week 5.^[5]