| 2018 MAMA Premiere in Korea | December 10, 2018 | 
Winners and nomineesOnline voting opened on the official MAMA' website, the Mwave app, TikTok, and Twitter, on November 1, 2018, one hour after nominees were announced. Voting ended on December 9, 2018.
Winners are listed first and highlighted in boldface.
Multiple awardsThe following artist received three or more awards:
| Awards | Artist | | 9 | BTS | | 5 | Twice | | 4 | Wanna One |
Multiple nominationsThe following artist received seven or more nominations :
| Nominations | Artist | | 11 | BTS | | 11 | Wanna One | | 10 | Twice | | 8 | Blackpink | | 8 | Seventeen | | 7 | Got7 | | 7 | Mamamoo |
PerformersThe following individuals and groups, listed in order of appearance, performed musical numbers.
MAMA Fans' Choice in Japan| Name | Performance | Notes | | Wanna One | "Heartbeat" | "Passion: MAMA's Great Moments"
| | Stray Kids | "Overdose" + "Growl" | "Passion: MAMA's Great Moments"
| Wanna One
Mamamoo
Monsta X | "Eyes, Nose, Lips" | "Passion: MAMA's Great Moments"
| | Iz*One | "The Boys" | "Passion: MAMA's Great Moments"
| | Twice | "Bad Girl Good Girl" | "Passion: MAMA's Great Moments"
| Monsta X
Got7 | "Fantastic Baby" | "Passion: MAMA's Great Moments"
| Iz*One
Twice
Monsta X
Got7 | "Bounce" | "Passion: MAMA's Great Moments"
| | Stray Kids | "P.A.C.E", "Hellevator", "District 9" | "The New Champion" | | Bullet Train | "Need You" | "Japan's Most Representative Dance Group" | | Monsta X | "Spark", "Jealousy", "Shoot Out" | "Crime And Punishment" | | Iz*One | "Dance Performance", "Memory", "La Vie En Rose", "Rumor" | "Dear My Friends" | | NU'EST W | "Where You At", "Dejavu", "Help Me", "Shadow" | "Before The Dawn" | | Twice | "Yes or Yes", "What Is Love?", "Dance the Night Away" | "The Greatest Twice Show" | | Mamamoo | "Cleopatra", "Easy", "Selfish", "Don't", "Egotistic", "Starry Night" | "Born To Be Mamamoo" | | Wanna One | "Light", "Boomerang", "I.P.U " | "Destiny" | | BTS | "Fake Love", "Anpanman" | "Birth Of A Hero" |
2018 MAMA in Hong Kong| Name | Performance | Notes | | BTS | Opening speech | "Icarus" | | Tiger JK & SVT | "Double Up" | "09:18" | | Chungha | "I Want You " | "09:18" | | Yoon Mi-rae & Tiger JK | "Timeless" + "For The People" + "Monster" | "09:18" | | Yoon Mi-rae, Tiger JK & Bizzy | "Mantra" | "09:18" | | WJSN | "Save Me, Save You" | "Girl Gone Wild" | | Oh My Girl | "Remember Me" | "Girl Gone Wild" | | WJSN and Oh My Girl | "Girls on Top " | "Girl Gone Wild" | | Roy Kim | "Only Then", "The Hardest Part" | "A Lonely Goodbye" | | Momoland | "BAAM", "Bboom Bboom" | "Codename: M&M" | | Mommy Son & Momoland | "Boy Jump" | "Codename: M&M" | | Seventeen | "Oh My!", "Flower", "Bring It", "Getting Closer" | "Episode 17" | | Heize | "Jenga", "First Sight" | "Winter Is Here" | | Chungha | "Roller Coaster" + "Love U" | "Winter Is Here" | | Sunmi | "Addict", "Siren" | "Winter Is Here" | | Iz*One | "Colors", "La Vie en Rose" | "Colorize" | | Nafla x Swings | "Wu" + "Bulldozer" | "Real Recognize Real" | | The Quiett x Paloalto | "Prime Time" + "Good Day" | "Real Recognize Real" | | Changmo x BewhY | "Maestro" + "Forever" | "Real Recognize Real" | | E SENS | "Got To Know" | "Real Recognize Real" | | Got7 | "Lullaby " | "A Beautiful Nightmare" | | Yugyeom | "Fine " | "A Beautiful Nightmare" | | Jackson x BamBam x Mark | "Nightmare" | "A Beautiful Nightmare" | | Got7 | "Lullaby " | "A Beautiful Nightmare" | | JJ Lin | "Little Big Us", "Twilight" | "Twilight" | | JJ Lin x Kim Jong-Kook | "Hate That Happiness Came" | "Twilight" | | Wanna One | "Burn It Up" | "One Love" | | Kang Daniel | Solo performance | "One Love" | | Wanna One | "Beautiful ", "Spring Breeze", "Energetic" | "One Love" | | BTS | Intro + "Airplane Pt.2", "O!RUL8,2? Love Yourself Remix", "Idol" | "Love Yourself +" |
PresentersKorea
- Jung Hae-in – main host
- Bae Yoon-young and Lee Ki-woo – presented Best New Asian Artist
- Jung Hae-in – presented Professional Categories
- Ji-soo and Jung Chae-yeon – presented Best New Asian Artist
- Jung Hae-in – presented New Challenger Performance
- Kang Seung-hyun – presented Best of Next Award
- Kim Yu-ri and Hong Jong-hyun – presented Best New Artists
- Kim So-hyun – presented DDP Best Trend Award
Japan
- Park Bo-gum – main host
- Yoo Hyun-min and Lee Da-hee – presented Worldwide Fan Choice Award
- Minue – presented Favorite Dance Artist
- Ha Seok-jin – presented Favorite Music Video
- Kwon Hyuk-soo – presented Worldwide Fans Choice Award
- Choi Tae-joon and Lee Sung-kyung – presented Worldwide Fan Choice Award
- Matsushige Yutaka and Shin Ah-young – presented Favorite Vocal Artist
- Yang Se-jong – presented Favorite Male Dance Artist
- Jung Il-woo and Jung So-min – presented Worldwide Fans Choice Award
- Ha Seok-jin and Choi Kang-hee – presented Favorite Female Dance Artist and Worldwide Fans Choice Award
- Jang Hyuk – presented Worldwide Icon of the Year
Hong Kong
- Song Joong-ki – main host
- Kim Dong-wook and Kim Da-mi – presented Best Unit
- Lee Yi-kyung and Moon Ga-bi – presented Best Vocal Performance Solo
- Yoon Jong-bin and Lee Sun-bin – presented Best OST
- In Gyo-jin and So Yi-hyun – presented New Asian Artist
- Kwon Hyuk-soo and Bae Jung-nam – presented Mwave Global Fan Choice
- Lee Jun-hyung and Seo Eun-su – presented Best Dance Performance – Female Group and TikTok Most Popular Artist
- Park Sung-woong – monologue
- Song Joong-ki, Jackson, Daehwi and RM – presented Janet Jackson Inspiration Award
- Park Sung-woong and Lee El – presented Best Asian Style and Discovery of the Year
- Ahn Jae-hyun & Kim Sa-rang – presented Best Male Artist & Best Dance Performance – Solo
- Lee Seung-chul and Lee Yo-won – presented Best Music Video
- Kim Jong-kook – presented Best Asian Artist
- Seo Hyun-jin – presented Best Female Group
- Ahn Jae-hyun and Jung Rye-won – presented Best Dance Performance – Male Group
- Lee Jin-wook – presented Best Female Artist
- Kim Sung-ryung – presented Best Male Group
- Angelababy – presented Album of the Year
- Cha Seung-won – presented Song of the Year
- Hwang Jung-min – presented Artist of the Year
BroadcastThe red carpet and ceremonies of the 2018 Mnet Asian Music Awards were broadcast worldwide via Mnet, across CJ E&M channels and [|other international networks] and online via Mnet K-pop's YouTube account, V Live, and Mnet's official website.
| Country | Network | | South Korea | Mnet, OnStyle, O'live, XTM | | Japan | Mnet Smart, Mnet Japan, VideoPass | | United States | Mnet America, Kcon.tv | | Hong Kong | ViuTV, ViuTVsix, tvN Asia | | Macau | ViuTV, ViuTVsix, tvN Asia | | Taiwan | ETTODAY, tvN Asia | | Indonesia | JOOX, tvN Asia | | Malaysia | JOOX, tvN Asia | | Thailand | JOOX, tvN Asia | | Philippines | Myx, KBO, tvN Asia | | Cambodia | tvN Asia | | Myanmar | tvN Asia | | Sri Lanka | tvN Asia | | Indonesia | Indosiar, Vidio, tvN Asia | | Singapore | Mediacorp Toggle, tvN Asia |
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