ASEC

ASEC or asec may refer to:

Science and technology

 * Absolute size-exclusion chromatography
 * asec or arcsecant, an inverse trigonometric function
 * Arcseconds or seconds of arc, a unit of angle
 * .asec, the file extension of an Android secure encrypted file

Organisations

 * ASEC Mimosas, a football club
 * ASEC Ndiambour, a football club
 * Alberta Students' Executive Council, an organization of post-secondary student leaders in Alberta, Canada
 * Action Sports Environmental Coalition, a nonprofit organization co-founded by Bob Burnquist