May 2016 produced 16 #1s across six music shows, shared by 7 artists and 7 songs.
The most wins went to Twice (6), followed by BTS (3) and AOA (2).
The most-awarded song was “Cheer Up” by Twice with 6 wins on 3 shows, then “Fire” with 3.
No song swept five or more shows.
First-ever music show wins went to Seventeen, Twice, Tiffany — 3 artists in total.
Counts are recomputed every morning from each show's published results (Wikipedia lists, CC BY-SA). Weeks without a broadcast or record are shown in grey; dates open episode pages.
| Date | Show | Song · Artist |
|---|---|---|
| 2016-05-01 | Inkigayo | Hopefully SkyJung Eun-ji |
| 2016-05-04 | Show Champion | Pretty USeventeen |
| 2016-05-05 | M Countdown | Cheer UpTwice |
| 2016-05-06 | Music Bank | Cheer UpTwice |
| 2016-05-08 | Inkigayo | Cheer UpTwice |
| 2016-05-12 | M Countdown | FireBTS |
| 2016-05-13 | Music Bank | FireBTS |
| 2016-05-15 | Inkigayo | FireBTS |
| 2016-05-17 | The Show | I Just Wanna DanceTiffany |
| 2016-05-18 | Show Champion | I Just Wanna DanceTiffany |
| 2016-05-19 | M Countdown | Cheer UpTwice |
| 2016-05-20 | Music Bank | Cheer UpTwice |
| 2016-05-22 | Inkigayo | Cheer UpTwice |
| 2016-05-24 | The Show | Good LuckAOA |
| 2016-05-25 | Show Champion | Good LuckAOA |
| 2016-05-31 | The Show | She IsJonghyun |