DAFS (disambiguation)

DAFS may refer to:
 * Damage Analysis and Fundamental Studies, a program of the United States Department of Energy that studies radiation damage
 * Direct Access File System, a network file system that uses remote direct memory access to perform efficient network access to data in remote files
 * Direct Aerial Fire Support, a term describing helicopter combat support
 * Diffraction Anomalous Fine Structure, an X-ray technique for determining atomic structure
 * Document Attribute Format Specification, an interchange format representing document structure