SDF3 may refer to:
*
Spatial data file
The Spatial Data File (SDF) is a single-user geodatabase file format developed by Autodesk. The file format is the native spatial data storage format for Autodesk GIS programs MapGuide and AutoCAD Map 3D. SDF format version SDF3 (based on SQLite ...
3, a geodatabase file format
* ''SDF-3 Pioneer'', a
fictional spacecraft
This is a list of fictional spacecraft, starships and exo-atmospheric vessels that have been identified by name in notable published works of fiction. The term "spacecraft" is mainly used to refer to spacecraft that are real or conceived using pres ...
from the animated series ''Robotech''
{{Letter-number combination disambiguation