Japan
Japan first participated in Season 1 of Melodia Song Contest and have participated a total of 3 times. They have not won the contest before.
Participations
| Edition | Delegation | Song | Artist | Grand Final | Semi-Finals | |||
|---|---|---|---|---|---|---|---|---|
| # | Location | Place | Points | Place | Points | |||
| 01 |  Buenos Aires
|
blueythesharkie | "終点の先が在るとするならば" | TUYU | 9 | 56 | No Semi-Finals | |
| 02 |  Lugano
|
blueythesharkie | "Dynasty" | Rina Sawayama | 6 | 71 | ||
| Did Not Participate, Season 3 | ||||||||
| 04 |  Saint-Denis
|
TNG | "Karanokokoro" | Anly | 11 | 51 | No Semi-Finals | |