"I Just Called to Say I Love You" is a ballad written, produced, and performed by American R&B singer and songwriter Stevie Wonder.

[3] It was a major international hit, and remains Wonder's best-selling single to date, reaching number one in 28 countries worldwide.

Throughout the song, Wonder lists various events in a yearly calendar that might prompt someone to call a loved one.

"[5] There was a dispute among Wonder, his former writing partner Lee Garrett, and Lloyd Chiate as to who actually wrote the song.

[6] A music video of the song has Wonder, during a concert, singing into a telephone receiver while seated at a piano.