Ed, Eddy, Eddie, Eduardo or Edward Arnold may refer to:
Edward Vernon Arnold (1857–1926), British scholar of Sanscrit and Latin Edward Arnold (publisher) (1857–1942), English founder of Edward Arnold Publishers Ltd Edward Arnold (actor) (1890–1956), American star character performer Eddy Arnold (1918–2008), American star country singer Ed Arnold (born 1943), American state legislator from Pennsylvania Eduardo Arnold (born 1947), Argentine vice governor and legislator Eddie Arnold (1949–2001), English Olympic gymnast