In cryptography, FROG is a block cipher authored by Georgoudis, Leroux and Chaves. The algorithm can work with any block size between 8 and 128 bytes, and supports key sizes between 5 and 125 bytes. The algorithm consists of 8 rounds and has a very complicated key schedule.
Frog is an album by the Japanese noise musician Merzbow. It was inspired by frogs and utilizes their sounds. Masami Akita exhibited the audio and images at Yokohama Triennale 2001 in an installation called . It was reissued on CD in 2002, retitled Frog+, with a bonus disc of additional material and a screensaver.