Spencer Williams was an American jazz and popular music composer, pianist, and singer. He is best known for his hit songs "Basin Street Blues", "I Ain't Got Nobody", "Royal Garden Blues", "I've Found a New Baby", "Everybody Loves My Baby", "Tishomingo Blues", and many others.

"Basin Street Blues" is a song often performed by Dixieland jazz bands, written by Spencer Williams in 1928 and recorded that year by Louis Armstrong. The verse with the lyric "Won't you come along with me / To the Mississippi..." was later added by Glenn Miller and Jack Teagarden.