"I Wasn't the One (Who Said Goodbye)" is the second single from Agnetha Fältskog's third English-language solo album, I Stand Alone, released in 1987.

The song was a duet with the album's producer Peter Cetera, the former singer and bass guitar player for the American rock band Chicago. They also recorded a Spanish-language version of the song, "Yo No Fui (Quien Dijo Adiós)", for the South American market, and which was included on the South American version of I Stand Alone.

The song peaked at number 93 in both the United States and Canada. It was a more successful Adult Contemporary hit peaking at number 19 on the Billboard AC chart and number 21 on RPM AC chart in Canada. Fältskog did not do any promotion for the song in North America.

A music video was shot in , but did not feature Cetera on video.

The single was released in four formats:

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