CFRG
CFRG may refer to:
Radio call signs[edit]
one of two radio stations in Gravelbourg, Saskatchewan, Canada:
- CFRG (AM), a defunct AM radio station that was affiliated with the Première Chaîne network,
- CFRG-FM, an active FM community radio station.
Despite the shared call sign, the stations never had common ownership.
Cryptography[edit]
CFRG may also refer to the Crypto Forum Research Group of the Internet Research Task Force (IRTF)