Nicky is a diminutive form of the name Nicholas, occasionally used as a given name in its own right. It may refer to:

In sports:

  • Nicky Adams (born 1986), English-born Welsh footballer
  • Nicky Boje (born 1973), South African cricketer
  • Nicky Butt (born 1975), English former footballer
  • Nicky Forster (born 1973), English football manager and former player
  • Nicky Grist (born 1961), Welsh former rally co-driver
  • Nicky Hayden (born 1981), American motorcycle racer
  • Nicky Law (footballer born 1961), English football manager and former player
  • Nicky Law (footballer born 1988), English midfielder; son of the above
  • Nicky Little (born 1976), New Zealand rugby union footballer
  • Nicky Maynard (born 1986), English footballer
  • Nicky Rackard (1922-1976), Irish hurler
  • Nicky Robinson (rugby union) (born 1982), Welsh rugby union footballer
  • Nicky Shorey (born 1981), English footballer
  • Nicky Summerbee (born 1971), English former footballer
  • Nicky Weaver (born 1979), English football goalkeeper
  • Nicky Winmar (born 1965), former Australian rules footballer
  • Dolph Ziggler (born 1980), professional wrestler with Nicky as one of his ring names

In music:

  • Nicky Byrne (born 1978), singer and member of Irish pop group Westlife
  • Nicky Chinn (born 1945), British songwriter and record producer
  • Nicky Hopkins (1944-1994), English pianist and organist
  • Nicky Jam, stage name of reggaeton artist Nick Rivera Caminero (born 1980)
  • Nicky Mehta, Canadian singer and songwriter
  • Nicky Wire (born 1969), Welsh lyricist, bassist and occasional vocalist

In other fields:

  • Tsar Nicholas II of Russia, called "Nicky" by Kaiser Wilhelm II and King George V
  • Nicky Hilton (born 1983), American socialite, heiress and fashion designer, sister of Paris Hilton
  • Conrad Hilton, Jr. (1926-1969), American socialite and businessman; grand-uncle of Nicky Hilton
  • Nicky Gavron, British politician, Deputy Mayor of London, and a member of the London Assembly
  • Nicky Gumbel, Anglican priest and author
  • Nicky Cruz (born 1938), Christian evangelist and former gang leader
  • Nicky Henson (born 1945), English actor
  • Nicky Katt (born 1970), American actor

Fictional characters:

  • Nicky, hero of the film Little Nicky, played by Adam Sandler
  • Nicky, in the Broadway musical Avenue Q
  • Nick Tilsley, originally called Nicky, in the soap opera Coronation Street