"Do Wah Diddy Diddy" is a song written by Jeff Barry and Ellie Greenwich and originally recorded in 1963, as "Do-Wah-Diddy", by the American vocal group the Exciters. Cash Box described the Exciters' version as "a sparkling rocker that bubbles over with coin-catching enthusiasm" and said that the "great lead job is backed by a fabulous instrumental arrangement." It was made internationally famous by the British band Manfred Mann.

Jeff Barry is an American pop music songwriter, singer, and record producer. Among the most successful songs that he has co-written in his career are "Do Wah Diddy Diddy", "Da Doo Ron Ron", "Then He Kissed Me", "Be My Baby", "Chapel of Love", and "River Deep - Mountain High" ; "Leader of the Pack" ; "Sugar, Sugar" ; "Without Us", and "I Honestly Love You".