"Watashi no Natsu" (私の夏, lit. "My Summer") is the 18th single by Japanese singer/songwriter Chisato Moritaka. The lyrics were written by Moritaka and the music was composed by Hideo Saitō. The single was released by Warner Music Japan on April 10, 1993. The song was used by All Nippon Airways for their "ANA Okinawa" campaign. Moritaka performed the song on the 44th Kōhaku Uta Gassen.