"Rubber Duckie" is a song sung by the character Ernie (voiced by Jim Henson) on Sesame Street. The song is named after Ernie's toy, a rubber duck affectionately named Rubber Duckie.
The song became a modest mainstream hit, reaching No. 16 on the Billboard Hot 100 in September 1970. The song had two follow-ups, "Do de Rubber Duck" and "DUCKIE".