| Navy Blue | |
| Cover: | RinaAiuchiNavyBlue.jpg |
| Type: | single |
| Artist: | Rina Aiuchi |
| Album: | Power of Words |
| B-Side: | Broken Heart |
| Recorded: | 2001 |
| Genre: | J-pop |
| Label: | Giza Studio |
| Prev Title: | Run Up |
| Prev Year: | 2001 |
| Next Title: | Forever You ~Eien ni Kimi to~ |
| Next Year: | 2002 |
"Navy Blue" is the single by Japanese singer-songwriter Rina Aiuchi. It was released on 3 October 2001 through Giza Studio, as the third single from her second studio album Power of Words. The song served as the theme song to the Japanese television show Wonderful. The song has sold 127,390 copies nationwide and remains as Aiuchi's best-selling single.
"Navy Blue" reached at number two on the Oricon Weekly Singles Chart, selling 127,390 physical copies.[1]
|-! scope="row"| Japan (RIAJ)| | 127,390|-|}