Alaalatoa or Ala'alatoa, when spelled with Samoan diacritics, is a Samoan surname. Notable people with the name include: Vili Alaalatoa (born 1962), Samoan rugby union player Allan Alaalatoa (born 1994), Australian rugby union player, son of Vili Harlan Ala'alatoa (born 1988), Australian rugby league footballer Michael Alaalatoa (born 1991), Australian rugby union player, brother of Allan