ADEC or ADeC may refer to:
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A-dec
A-dec (Austin Dental Equipment Company) is a dental office furniture and equipment manufacturer based in Newberg, Oregon, Newberg, Oregon, United States. It is considered one of the largest dental equipment makers in the world, and as of 2002 is ...
, an American dental office furniture and equipment manufacturer
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African Democratic Change, a South African political party
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Harvard Mark III
The Harvard Mark III, also known as ADEC (for Aiken Dahlgren Electronic Calculator) was an early computer that was partially electronic and partially electromechanical. It was built at Harvard University under the supervision of Howard Aiken for ...
, an early computer also known as ADEC (Aiken Dahlgren Electronic Calculator)
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