"Born Under a Bad Sign" is a blues song recorded by American blues singer and guitarist Albert King in 1967. Called "a timeless staple of the blues", the song also had strong crossover appeal to the rock audience with its synchronous bass and guitar lines and topical astrology reference. "Born Under a Bad Sign" appeared on the R&B chart and became a blues standard.

Albert Nelson, known by his stage name Albert King, was an American guitarist and singer who is often regarded as one of the greatest and most influential blues guitarists of all time. He is perhaps best known for his popular and influential album Born Under a Bad Sign (1967) and its title track. He, B.B. King, and Freddie King, all unrelated, were known as the "Kings of the Blues". The left-handed Albert King was known for his "deep, dramatic sound that was widely imitated by both blues and rock guitarists".