Ily or ILY may refer to:
- ILY sign, an informal sign in American Sign Language for "I love you"
- Iły, Kuyavian-Pomeranian Voivodeship, Poland
- Iły, Masovian Voivodeship, Poland
- Islay Airport, Scotland
is Olivia's first solo single released on February 3, 1999 under the label Avex Trax. The song was written by T2ya. It peaked at 32nd place on the Oricon weekly singles chart and charted for four weeks. The single was used as an ending theme song in the TV show G Paradise, as well as in a commercial for Morinaga & Company.
The music video was shot on January 17, 1999 at a studio in Japan.