2009 - Hallyu Rebirth

U R Man (Remix Edition) - Digital Single - Sub-Unit - January 9, 2009

1. U R Man (Remix) - Trio Sub-Unit
2. The One (Remix) - Trio Sub-Unit

Boys Over Flowers OST 1 - Theme/Insert Song - Sub-Unit - January 23, 2009

1. 내 머리가 나빠서 [Because I'm Stupid] - Trio Sub-Unit

LEO Vol. 2 Black Belt - Featuring - Solo - February 14, 2009

1. Love Train - L.E.O feat. Kim Hyung Jun

Bad Girl Diary Returns OST - Theme/Insert Song+Digital Single - Sub-Unit - February 19, 2009

1. Lonely Girl - Kim Kyu Jong & Kim Hyung Jun

Boys Over Flowers OST 2 - Theme/Insert Song - Group - March 16, 2009

1. 애인만들기 [Making A Lover]

Boys Over Flowers OST 2.5: F4 Special Edition - Theme/Insert Song+Single - Solo - March 18, 2009

1. 행복이란 [Happiness Is...] - Kim Hyun Joong

U R Man (Japanese Edition) - Japanese Release - Sub-Unit+Solo - March 25, 2009

1. 비겁하지 않겠어 [I Won't Be A Coward] - Trio Sub-Unit
2. Sometime - Trio Sub-Unit
3. Want It - Trio Sub-Unit
4. U R Man - Trio Sub-Unit
5. The One - Trio Sub-Unit
6. Is It Love - Young Saeng
7. Never Let You Go - Kyu Jong
8. I Am - Hyung Jun
9. U R Man (Remix)
10. The One (Remix)

Mars Men, Venus Women - Single - Solo - April 29, 2009

1. 화성남자, 금성여자 [Mars Men, Venus Women] - Kim Hyung Jun feat. Mi So (from Gavy Queens)

AnyCall Haptic Mission Season 1 OST - Theme/Insert Song+Digital Single+Featuring - Solo - April 30, 2009

1. Mission No. 4 - 손담비 [Son Dam Bi] feat. 김준 [Kim Joon] & Kim Hyun Joong
2. Rolling Calling Darling - Son Dam Bi feat. Kim Joon & Kim Hyun Joong

All My Love - Japanese Album 2 - Group - May 13, 2009

1. Message
2. Mermaid...
3. I Want You
4. Lucky Days
5. Get Along
6. Promise to Promise
7. Believe In Love
8. Let's Break Away
9. Time of Destiny
10. Lovers
11. Asai Yumeno Hate [End of the Shallow Dream]
12. Glider Traveler
13. All My Love

AnyCall Haptic Mission Season 2 OST - Theme/Insert Song+Digital Single - Group - May 20, 2009

1. Play

Boys Over Flowers OST 3: F4 Special Edition - Theme/Insert Song - Sub-Unit - May 26, 2009

1. Sometime - Trio Sub-Unit

Dynamic Kin - Image Song - Solo - June 1, 2009

1. DK Jingle - Kim Hyun Joong

Jin Air - Image Song+Digital Single - Group - June 12, 2009

1. We Can Fly

1st Solo Album (Taiwan Edition) - Special Overseas Edition - Solo - July 2, 2009

1. Thank You - Hyun Joong
2. Is It Love - Young Saeng
3. Never Let You Go - Kyu Jong
4. 나 뿐인가요 [(Is It) Only Me] - Jung Min {lyrics by JM}
5. I Am - Hyung Jun
6. Thank You (Acoustic version) - Hyun Joong

Super Hits! (Taiwan Edition) - Special Compilation - Group - July 3, 2009

1. Deja Vu
2. La La La... Song For You
3. Never Again
4. Snow Prince
5. You Are My Heaven
6. My Girl
7. Warning
8. Passion
9. White Person
10. Everything
11. Find
12. Destiny
13. Fighter

Collection - Mini Album 3 - Solo+Sub-Unit - July 7, 2009

1. 제발 잘해줘 [Please Be Nice To Me] - Hyun Joong
2. 이름없는 기억 [Nameless Memory] -  Young Saeng {lyrics by YS}
3. Wuss Up - Kyu Jong feat. C-Luv & Star Trak
4. 하면은 안돼 [If You Cannot] - Jung Min {lyrics by JM}
5. Hey G - Hyung Jun {written by H&B}
6. I Won't Be A Coward - Trio Sub-Unit

T-Max Single Collection - Featuring - Solo - July 8, 2009

1. 준비 OK [Ready OK/Jun Be OK] - Kim Joon feat. Kim Hyun Joong

Korea Airport Corporation - Image Song - Group - July 13, 2009

1. KAC Logo Song

Friend, Our Legend OST - Theme/Insert Song - Solo - July 16, 2009

1. 눈물을 지워가 [Erase Tears] - Heo Young Saeng

SBS Power FM DJs - Collaboration - Solo - August 12, 2009

1. 아오테아로아 [Aotearoa (Land of the Long White Cloud/New Zealand)] - Sweet Sorrow, Jung Ji Young, Kim Hyung Jun, Lee Han Cheol

Rebirth - Mini Album 4 - Group - October 22, 2009

1. Wasteland
2. Love Like This (네게로) [To Me]
3. 하루만 [Only One Day]
4. Obsess (중독...) [Addiction...] {lyrics by HJB}
5. 완.두.콩. [Green Peas] {lyrics by SS501}

Gossip Girl - Contribution - Solo - November 12, 2009

1. Kiss - Rainbow {lyrics by JM}

Boys Over Flowers OST: Luxury Edition - Theme/Insert Song - Solo - November 19, 2009

1. Because I'm Stupid (Acoustic version) - Kim Hyun Joong

Will It Snow For Christmas? OST - Theme/Insert Song - Solo - December 16, 2009

1. 사랑해요...미안해요 [I Love You... I'm Sorry...] - Heo Young Saeng