Alexandre Olivier Exquemelin (also spelled Esquemeling, Exquemeling, or Oexmelin) (c. 1645–1707) was a French, Dutch, or Flemish writer best known as the author of one of the most important sourcebooks of 17th-century piracy, first published in Dutch as De Americaensche Zee-Roovers, in Amsterdam, by Jan ten Hoorn, in 1678.