Emac, Emacs or similar may refer to:
eMac, a now-discontinued Macintosh desktop computer made by Apple Inc. Emergency Management Assistance Compact, a mutual aid agreement between states and territories of the United States, enabling resource sharing during natural and man-made disasters Extended metal atom chains (EMACs), molecules that consist of a linear string of directly bonded metal atoms, surrounded by organic ligands Emacs, a family of text editors EMAC, Ethernet media access control EMAC, Eastern Maar Aboriginal Corporation, land council for the Eastern Maar people in Victoria, Australia
See also Emax (disambiguation)