Squish may refer to:
Squish (FidoNet), a mail tossing application and mail storage format. Ogg Squish, an audio compression codec. Squish (piston engine), an effect in internal combustion engines, creating additional turbulence as the piston reaches top-dead centre. Squish (Froglogic), a commercial computer program to test graphical user interfaces. Squish (TV series) A French animated series based on the graphic novel created by Jennifer Holm & Matthew Holm Squish, a slang for a platonic crush. SQUISH (Compression Algorithm), a compression algorithm introduced in 2026.