Liste of all the groups Du can think of?

Boy Groups:
SHINee
Big Bang
TVXQ
J.Y.J
DBSK-Not together but still awesome
Super Junior
Btob
CN Blue
B1a4
Boyfriend
Mblaq
U-kiss
Dalmation
100%
Block B
B2st
Supreme team
A-jax
Exo-k
Exo-M
B.A.P
SS501
FT island
Chaos
Nu'est
Busker busker
JJ Project
Vixx
kreuz Gene
Speed
Seventeen
Bigstar
G.iam
X-5
N-Train
Hitt
B.o.m
BB Boys
N-sonic
MY name
AA (double A)
MIB
Bang and Zelo (B.a.p subunit)
Phantom
F.Cuz
ZE:A
The boss
X-Cross
Infinite
Teen top
LED Apple
Touch
Mighty mouth
2am
2pm
SMASH
DNT
Supernova
TRAX
Epik High

Girl groups:
SNSD
F(x)
2ne1
Miss A
4minute
A Pink
T-ara
Wonder girls
Sistar
Secret
Crayon pop
Merida - Legende der Highlands girls
Brown eyed girls
Rainbow
Chocolat
SPICA
Pandora
Kara
VIVID
Hello venus
GLAM
AoA
Evol
Skarf
Tahiti
Dal shabet
Piggy dolls
5Dolls
BBAN
INY
Chi Chi
Rania
Merida - Legende der Highlands girls
Ocean girls
After School
C-Real
Girls day
Nine muses
GP Basic
Girl story
HAM (Heart and mind)
JQT
Davichi
Black pearl
5 girls
Seeya

Hope I helped :)

DAY6
The Rose
SHINee
BIGBANG
H.O.T
Hot Shot
EXO
Wanna One
Weki Meki
Red Velvet
Kard
HIGHLIGHT
Golden Child
JBJ
GOT7
VIXX
April
CNBLUE
Sech Kies
Dynamic Duo
2NE1
Stray Kids
FT Island
Winner
Nu'est
BLACKPINK
Twice
SISTAR
F(x)
B.I.G
SF9
orange Caramel
MOMOLAND
MAMAMOO
2Pm
2AM
ZE:A
NCT U
NCT 127
NCT Dream
Pentagon
IKON
MONSTA X
Boy Friend

Girl groups

SNSD ^^
4minute
Dal Shabet
A Pink
After School
Rania
AOA
C-REAL
Chi Chi
Chocolat
Crayon Pop
D-unit
EvoL
EXID
F(x)
Gangkiz
Girl's Day
GP Basic
Hello Venus
Jewelry
JQT ( They have disbanded now though)
Kara
T-ARA
Miss A
orange Caramel
Rainbow
Secret
She'z
Sistar
Spica
Wonder Girls
Bp pop( they are new ^^)


Boy Bands

B1A4
100%
2am
2pm
B.A.P
Big Bang
Block B
Boyfriend
BtoB
C-Clown
kreuz Gene
Dalmation
Exo
Infinite
JYJ
MBLAQ
N-Train
NU'EST
SHINee
Shinhwa
Super Junior
Teen Top
TVXQ
U-Kiss
VIXX
X-5
ZE:A
Supernova
Myname
A-jax

That's all I can think of right now ^^

B2ST. BIGBANG. B.A.P. C-CLOWN. 4MINUTE. GIRLS GENERATION. TVXQ. RAINBOW. JYJ. 2NE1. TWO X. VIXX. MYNAME. SUPER JUNIOR. MISS A. WONDERGIRLS. TAHITI. KARA. SECRET. TARA. BTswing. W.I.W. TELEPATHY. AFTERSCHOOL. TOUCH. PURPLAY. BPPOP. GODDESS.

ok......i can think of some but not all of them
*Boyfriend
*Infinite
*SHINee
*B.A.P
*EXO
*Super Junior

*After School
*Secret
*Girls Day
*Brown Eyed Girls
*Girls Generation
*Sistar
*

these are the only ones (boy groups) im naming cos they are the only ones i listen to:

Super Junior
CN Blue
U-kiss
B2st
B.A.P
SS501
Nu'est
kreuz Gene
Bang and Zelo
2am
2pm

Shinee, u-kiss , tvxq, 2pm ,2am , sistar, t-ara , F(X) , wonder girls , block b, snsd, Big Bang , brown eyed girls , beast, boa, ailee, miss a, mblaq, Kara, b.a.p, jyj, infinite, ss501, after school, b1a4, shinhwa, a pink, papaya, sugar , and v.o.s

Boy Groups: Beast, Leessang, ZE-A, SHINee, 4MEN, Battle, MBLAQ, Super Junior (M, T, H, K.R.Y), Xing, eichelhäher, jay Park, C-Clown, BtoB, Big Bang, EXO-K, EXO-M, 100%, A'ST1, 2AM, Tritops, A-JAX, A-Peace, AA, Ajoo, Attack, Awesome Planet, B.A.P, Bigstar, Blackbeat, Block B, Boyfriend, Boyz, Brian Joo, Buzz, H.O.T, Code V, Dalmatian, Donghae & Eunhyuk, Epik High, Electroboyz, F.cuz, F1RST, G-Dragon & TOP, Infinite, JJ Project, JYJ, LED Apple, M.I.B, Mighty Mouth, Mondaykiz & Moonchild

Girl Groups

Miss A, Miss $, Girls' Generation (SNSD), T-ARA, Kara, Jewelry, AOA, After School, 2NE1, 4Minute, HyunA, BoA, Wonder Girls, C-Real & Davichi

- B.A.P
- Secret
- Big Bang
- TVXQ
- SHinee
- Wonder Girls
- SNSD
- 2ne1
- Apink
- 4minute
- Wonder Boyz
- VIXX
- BTS
- Big Star
- B2st
- SPICA
- Lc9
- Exo
- Girl's Day
- EXID
- BtoB
- Block B
- Brown Eyed Girls
- F(x)
- Hello Venus
- Infinite
- MBLAQ
- Miss A
- MYNAME
- Sistar
- T-ara
- Nine Muses
- Rainbow
- U-kiss
- Boyfriend
- Epik High
- Crayon Pop
- After School
- Nu'est
- 2PM
- 2AM
- B1A4

H.O.T
Shinhwa
Super Junior
SS501
Wonder Girls
Girl's Generation
Sistar
Shinee
2pm
2am
One Tag (2pm+2am)
Infinite
MBLAQ
KARA
Teen Top
Beast (B2st)
Rainbow
T-ara
Supernova
Jewelry
NU'EST
Sunny Hill
DBSK
JYJ
U-Kiss
ZE:A
Brown Eyed Girls
Epic High
Typhoon
4 Minute
F.T.Island
CN Blue
A.N.Jell
BigBang
2NE1
Black Pearl
EXO-M
EXO-K
T-Max
After School
F(x)
Secret
S.M. the Ballad
Miss A
The Boss
A rosa
Boyfriend
B.A.P
JJ Project
100%

snsd
exo
apink
2pm
2am regenbogen
4minute
bigbang
shinee
kara
f(x)
sistar
after school
u-kiss
miss a
b.a.p
secret
super junior
wonder girls( yes I know they're old)
t-ara
b.dolls
girl2school
gp basic
2NE1
brown eyed girls
MBLAQ

Bigbang
2ne1
F(x)
Snsd/gg
Shinee
Super junior
Shinhwa
Boyfriend
Got7
Beast
2pm
TVXQ
T-ara
4minute
Wa$$up
Boa
Wonder girls
Miss A
Psy
B.A.P
EXO
Vixx
BTS
Sistar
Brown eyed girls
Secret
eichelhäher, jay park
15&
Zico
Hyorin
Gary
Ga in

Vanhaja
M.I.B
SPEED
Piggy Dolls
5Dolls
Davichi
F.I.X
B1A4
APink
Rainbow
Kara
Boyfriend
BtoB
Nu'est
AfterSchool
Snsd
2ne1
Winner
Akdong Musician
WE
Block B
miss A
f(x)
Dbsk
Suju
Shinee
JYJ
Exo
Red Velvet
4minute
Beast
Dalmatian
kreuz Gene
Mblaq
Infinite
A-Jax
D-Unit
Glam
T-ara
Gp Basic
C-Clown
C-Real
Baby V.O.X
Big Mama
H.O.T
Shinhwa
SS501
U-Kiss
SG Wannabe
Sistar
Wondergirls
Tasty
2pm
2am
B.a.p
CNBlue
FTIsland
TaeTiSeo

Big Bang , EXO , 2NE1 , 4 Minuten , Gfriend, FTisland

Off the oben, nach oben of my head, and including disbanded groups (probably got some capitalization wrong in places):

24K
2AM
2NE1
2PM
4Minute
4Ten
9Muses
A.C.E
After School
AOA/ Ace of Angels
Apink
Astro
B1A4
B.A.P/ Best Absolute Perfect
Bestie
B.I.G/ Boys In Groove
Big Bang
BLACKPINK
Bolbbalgan4
BonusBaby
Boys' Republic
BP Rania
Brown Eyed Girls
Block B
BTOB
BTS
CLC
CNBLUE
Cosmic Girls
Crayon Pop
kreuz Gene
Davichi
DAY6
DBSK
DIA
EXID
EXO
F(x)
Fiestar
FTIsland
Girls' Generation/ SNSD
GOT7
Gugudan/ Pledis Girls
H.A.M
Highlight/ B2ST/ Beast
HISTORY
IKON
Infinite
I.O.I
KARA
KNK
Ladies' Code
Loona
Lovelyz
Mamamoo
Miss A
Monsta X
Oh My Girl
Red Velvet
Pristin
Rainbow
Rubber Soul (dunno if they count as Kpop tho)
Sechskies
Secret
S.E.S
SEVENTEEN
Shinee
Shinhwa
Sistar
Spica
Snuper
Stellar
Super Junior
T-ARA
Teen Top
The Barberettes
TRAX
TVXQ
Twice
VARSITY
VAV
VIXX
VROMANCE
Winner
Wonder Girls
ZE:A