ASMD

ASMD may refer to:
 * Addition, subtraction, multiplication and division, the four elementary arithmetic operations
 * Anterior segment mesenchymal dysgenesis, a form of agenesis
 * "ASMD", a code used to refer to the Armstrong Siddeley Double Mamba gas turbine turboprop engine
 * Anti-ship missile defence
 * Another name for Niemann–Pick disease associated with the SMPD1 gene (types A and B)