- 8D
8D may refer to:
*Astair IATA code
*Expo Aviation IATA code
*Servant Air IATA code
*Eight Disciplines Problem Solving – 8D Problem Solving Process is used to identify, correct and eliminate the recurrence of quality problems.
* An internetemoticon in which the '8' refers to open eyes and the 'D' refers to an open mouth.
Wikimedia Foundation. 2010.