Opam or OPAM may refer to:
Opam Emmanuel Opam-Brown Akolbire (born 1960), Ghanaian politician and member of Ghanaian Parliament
OPAM OCaml Package Manager, for the Caml programming language implementation Ōita Prefectural Art Museum (OpAm), an art museum and community exhibition venue in Japan OPAM, a sculpture park by Lucien den Arend