list 2013 comeback/debut

January:
[January 9] SPEED (Album: It's Over)
[January 15] T-ara (Mini Album: T-ara's Effect)
[January 16] TVXQ! (Japanese Single: Catch Me / I Know)
[January 23] Super Junior K.R.Y. (Japanese Single: Promise You)
[January 30] Puretty (2nd Japanese Single: Shwa Shwa Baby)
[TBA] Girls' Generation (Korean Comeback: TBA)
[TBA] 2PM (Korean Comeback: TBA)
[TBA] JYJ's Jaejoong (Mini Album: TBA)
[TBA] Nine Muses (TBA)
[TBA] Baek Ji Young (Digital Single: I Hate It)
[TBA] Moon Hee Jun (TBA)
[TBA] PHANTOM (TBA)
[TBA] JeA (Brown Eyed Girls) (Album: TBA)
[TBA] Teen Top (TBA)
[TBA] Clazziquai (Album: TBA)
[TBA] Kang Seungyoon (TBA)
[TBA] CNBLUE (Album: TBA)
[TBA] NU'EST (TBA)
[TBA] Seventeen (Pledis New Boy Group) (TBA) (DEBUT)

February:
[February 20] BoA (Japanese Single: Only One)
[February 27] Daesung (Big Bang) (Japanese Solo Album: TBA)

[TBA] U-KISS (6th Japanese Single: Alone)
[TBA] 5Dolls (TBA)
[TBA] PSY (American Debut: TBA)
[TBA] Outsider (TBA)
[TBA] Yong Dong Gun (Album: TBA)

March:
[March 24] Shinhwa (Album: TBA)

April: 
No Comebacks or Debuts as of Now

May:
[TBA] Lee Hyori (Album: TBA)


TBA:
[TBA] Double A (Album: TBA)
[TBA] JYJ (2nd English Album: TBA)
[TBA] Infinite H (Sub Unit of Infinite) (TBA) (DEBUT)
[TBA] Starship Boys (Male Sistar) (TBA) (DEBUT)
[TBA] A2 (TBA) (DEBUT)
[TBA] Tempest (TBA) (DEBUT)
[TBA] D.Q. (Diamond Queen) (Album: TBA.)
[TBA] Shin Seung Hoon (Mini Album: TBA)
[TBA] EvoL (TBA)

Legend:

TBA: comebacknya official, tapi belum dikasih tau kapan

cr:

http://forums.allkpop.com/threads/list-of-2012-comebacks-and-debuts.737/