Moisil is a Romanian surname that may refer to:
Constantin Moisil (1876–1958), historian Grigore Moisil (1906–1973), mathematician and computer scientist, son of Constantin Iuliu Moisil (1859–1947), schoolteacher and writer, uncle of Constantin Grigore Moisil National College of Computer Science (Brașov) Łukasiewicz–Moisil algebra