- BASK stands for Binary Amplitude-Shift Keying (computing)
- BASK stands for British Association for Surgery of the Knee
- BASK stands for Bay Area Sea Kayakers (San Francisco, CA)
- BASK stands for Before and After School Kids (various locations)
- BASK stands for Blueshell ADO (ActiveX Data Objects) Survey Kit (diagnostic toolkit)
Abbreviations And Their Meaning