"Baby Blue" is a song by Welsh rock band Badfinger from their fourth studio album, Straight Up (1971). The song was written by Pete Ham, produced by Todd Rundgren, and released on Apple Records. As a single in the US in 1972, it went to #14. In 2013, the song was prominently featured in the series finale of the television show Breaking Bad. As a result, the song charted in the UK for the first time, reaching #73.

Badfinger were a British rock band formed in 1961 in Swansea, Wales. Their best-known lineup consisted of Pete Ham (guitar), Mike Gibbins (drums), Tom Evans (bass), and Joey Molland (guitar). They are recognised for their influence on the 1970s power pop genre. It is estimated that the band sold 14 million records.