Spragg is a surname. People with that name include:
Edward Spragge (AKA Spragg or Sprague, c.1620–73), Irish admiral of the Royal Navy
Laura Spragg (born 1982), English international cricketer
Lonnie Spragg (1879–1904), Australian international rugby union player
Warren Spragg (born 1982), English-born Italian international rugby union player
Wesley Spragg (1848–1930), English-born New Zealand butter manufacturer and exporter, temperance campaigner, and benefactor