Tonight's Decision is the fourth studio album by Swedish heavy metal band Katatonia, released in 1999 by Peaceville Records.

It was reissued in 2003 with two bonus tracks.

Around this time, the band were being influenced less by metal and more by alternative, with Renkse citing Jeff Buckley, whose song "Nightmares by the Sea" was covered on this album, as well as Radiohead as examples.

[3] Renkse's close friend, Mikael Åkerfeldt of Opeth, was present to help record, produce and work on ideas for vocal tracks.

[3] All tracks are written by Nyström and Renkse except where noted This 1990s alternative rock album–related article is a stub.