"Osaka Koi no Uta" (大阪 恋の歌; "Osaka Love Song") was the twenty-sixth single of J-pop girl group Morning Musume, from the group's seventh album Rainbow 7. It was released on April 27, 2005 under the Zetima label, and went on to sell a total of 59,287 copies. The single reached a peak of #2 on the weekly Oricon chart, charting for five weeks. The Single V, released on the same day, went on to sell a total of 30,324 copies. The Single V reached a peak of #6 on the weekly Oricon chart, charting for four weeks.