1 października
- iKON – New Kids: The Final – mini album – Goodbye Road
- Monika – Luvidu – mini album – Luvidu
- NU’EST W – I Don’t Care – digital single – I Don’t Care
- Park Won – r – mini album – rudderless
2 października
- Hangzoo – Drive Thru – digital single – Drive Thru
- Lee Sora – October Lover – digital single – October Lover
- LEO(VIXX) – You are There, but not There – digital single – You are There, but not There
- Noir – Topgun – mini album – Airplane Mode
- S.O.U.L – Get Myself With You – project unit debut single – Get Myseld With You
3 października
- Babylon – CAELO – full-length album – One More Time
- NCT 127 – Regular-Irregular – singiel – Regular (wersia angielska)
4 października
- Soyou – Part.2: RE:FRESH -full-lenght album – All Night
- The Rose – Dawn – mini album – She’s in the Rain
- Yuri (SNSD) – The Frirst Scene – debut mini album – Into You
5 października
- Ashmute – Summer’s Gone – single album – Summer’s Gone
- CHEEZE – Everything to – digital single – Everything to
- Yoo Hweseung(N.Flying) X O.ZO – Kim Hyungsuk with Friends #2 project single – project single – Expectation
6 października
- Cherry Coke – Ilovemyvibe – digital single – Ilovemyvibe
7 października
- Lay(EXO) – Give Me a Chance – pre-release single – Give Me a Chance
8 października
- AlphaBAT – 신세계 – digital single – 신세계
- Loco – It Takes Time – digital single – It Takes Time
- Rose Finger – Debiut – HIBIDI POP
- Seven O’Clock – #7 – mini album – #Nothing Better / Searchlight
- Snuper – You Are in My Eyes – special edition single – You Are in My Eyes
- Super Junior – One More Time – special mini album – One More Time
9 października
- Lee Hongki(FT ISLAND) – I AM – pre-release single – I AM
- WeGirls – ON AIR(Fly Version Remix) – digital single – On Air
10 października
- fromis_9 – From.9 – special single album – Love Bomb
- IU – BBIBBI – digital single – BBIBBI
- NakJoon(Bernard Park) – Still… – single – Still
- San E – #mentalhealth&socialissues – digital single – Wannabe Rapper
- Vibe – About Me – full-length album – Not A Love
11 października
- Eddy Kim – Miles Apart – mini album – Trace
- VAV – Seniorita – single album – Seniorita
- Weki Meki – Kiss, Kicks – single album – Crush
- Wheesung – In Space – mini album – In Space / Breaking Down
12 października
- NCT 127 – Regular-Irregular – full-length album – Regular(Korean ver)
- Park Bogum – Let’s Go See The Stars – digital single – Let’s Go See The Stars
- Park Jungmin (SS501) – 바람이 불어온다 – mini album – 바람이 불어온다
- Yu Seungwoo -Always – digital single – Always
- Yun Ddan Ddan – Just In Case – digital single – Just In Case
13 października
- Cosmic Girls X Solar(Mamamoo) – LIE YA – digital single – LIE YA
- Elaine – 1 – full-length album – Falling
- NC.A – I’m Fine -digital single – I’m Fine
- pH-1 – Show Me The Money 777 Episode 2 – digital single – Hate You
14 października
- Loco X Woo Won Jae – Balance – digital single – Balance
15 października
- Yang Da Il – sorry – digital single – sorry
- Zion.T – ZZZ – mini album – Hello Tutorial
16 października
- April – The Ruby – mini album – Oh my mistake
17 października
- Crush – none – digital single – none
- Jeong Eunji(APink) – Hyehwa: Towards the Star-Shining Flower – mini album – Being There
- Kim Donghan – D-NIGHT – mini album – Good Night Kiss
- Mywish – Hello – digital single – Hello
- Soya – Artist – mini album – Artist
18 października
- Lee Hongki(FT ISLAND) – DO n DO – mini album – COOKIES
- S#aFLA – DDu-Ru-DDu-PPa-Ra-PPa – debut digital single – DDu-Ru-DDu-PPa-Ra-PPa
- Sohee (ELRIS) – Hurry up! -debut single album – Hurry upHurry up
19 października
- Dua Lipa X BLACKPINK – Kiss and Make Up – US B-side track – Kiss and Make Up
- Xeheun(GIRLKIND) – Vibe On -solo debut digital single – Vibe on
- John Legend X Wendy(Red Velvet) – Written in the Stars – STATION X 0 project single – Written in the Stars
- Jvde(Bigstar) – No Time For Chill – mixtape mini album – Miss U
- Lay(EXO) – NAMANANA – debiutancki amerykański album – NAMANANA
21 października
- Verbal Jint – girl/Gfriend – pre-release singles – girl(ft. MXM) / GFriend(ft.Sik-K)
22 października
- Hoody – Sunshine – digital single – Sunshine
- Lee Moon Sae – Between Us – full-length album – Blur / Between Us
- Monsta X – TAKE.1 <ARE YOU THERE?> – full-length album – Shoot Out
- Stray Kids – I am YOU – mini album – I am YOU
23 października
- BTOB – Friend – pre-release single – Friend
- N.tic – Do you know who I am? – digital single – Do you know who I am?
- Sam Kim – Sun and Moon Part 1 – full-lenght album – Make Up
- Sik-K – FIRE- digital single – FIRE
24 października
- ATEEZ – TREASURE EP1: All to Zero – debut mini album – Pirate King / Treasure
- BoA – Woman – full-length album – Woman
- Golden Child – WISH – mini album – Genie
- PinkFantasty – Alice in Wonderland – debut single – Iriwa
- South Club – Contact Information – mini album – I’m Crazy
25 października
- 1set – 24/7 – mini album – I Wonder
- Boycold – YOUTH! – digital single – YOUTH!
- Jung Joonil – I Knew – digital single – I Knew
- LYN – #10 – full-length album – Run to you
26 października
- Black Eyed Peas X CL – Dopeness – U.S. B-side track – Dopeness
- BTS X Steve Aoki – Waste It On Me – U.S. digital single- Waste It On Me
- Flowsik – BBUNG – digital single – BBUNG
- Kang Minhee – Remember – digital single – Remember
- N.Flying – Like a Flower – Fly High project single – Like a Flower
- Shownu(Monsta X) X Se So Neon X PREP – Don’t Look Back – digital single – Don’t Look Back
- Reddy – Stand by You – digital single – Stand by You
28 października
- ABRY – Over & Gone – mini album – Over & Gone
- Ha Hyunwoo (Guckkasten) – Ithaca – mini album – Home
29 października
- Izone – COLOR*IZ –debut mini album – La Vie En Rose
- Highlight – Take Care – digital single – Take Care
- Paul Kim – Me After You – digital single – Me After You
- Thunder – Walkman: Thunder Mix Vol.1 – Thunder Mix project single – Bomb Bomb Bomb
- W24 – SOSIME – digital single – SOSIME
30 października
- 14U – N.E.W.S – digital single – N.E.W.S
- BLACK6IX – Swamp f Despair – digital single – Swamp of Despair
- Eric Nam – Miss You – digital single – Miss You
- HeyGirls – yoo-hoo-hoo – digital single – yoo-hoo-hoo
- JBJ95 – Home – debut mini album – HOME
- Kiggen – Melancholy – digital single – Melancholy
- Simon Dominic – Simon Says – digital single – Simon Says
31 października
- EDEN X LUCY – EDEN_STARDUST.06 – STARDUST project single – Fireworks
- Jenyer – Shower – digital single – Shower
- June – Have a nice trip! -single album – Autumn Leaves
- Kang Hyeyeon – Great – debut digital single – great
- Monday Kiz – The World That Is of You – digital single – The World That is of You
- Moon – MILLION – debut digital single – MILLION
- MRSHLL – alien issa mixtape – mixtape –
- Vanilla Acoustic – Sigh – digital single- Sign
Zapowiedziane na ten miesiąc:
- A.C.E
- ASTIN – Pandora
- Fly to the Sky (październik/listopad)
W plotkach:
- Flossom(„coming soon”)
- KARD
- Katie – Echo – digital single
- Nicole(ogłoszone na lato)
- PENTAGON („coming soon”)
- Rania(ogłoszone na sierpień)
- Subin (Dal Shabet)
- Taeyeon(SNSD)
- The Man BLK
