Scarnecchia () is an Italian surname. Notable people with the surname include:
Dante Scarnecchia (born 1948), American football player and coach Roberto Scarnecchia (born 1958), Italian footballer and manager Steve Scarnecchia, American football coach Suellyn Scarnecchia, American legal scholar Orlando Carmelo Scarnecchia (1903–1985), known as John Scarne, American magician and author