Neptune is the sixth studio album by Japanese singer Toshinobu Kubota, released on July 1, 1992.

The album charted at number 3 on the Oricon Monthly Albums chart and remained on the charts for total of 13 weeks.

[1] The album sold a total of 484,000 units, reaching double platinum certification.

Staged from June 26 to October 1, 1992,[2] and included songs from the album Neptune, as well as the songs "Time (Shower ni Utarete)" and "Eien no Tsubasa" from his previous album Groovin'.

[3] The opening act for the June 26 show was Yoshie Shimizu.