Katydid is the common name in America for insects of the family Tettigoniidae, including Pseudophyllinae, a subfamily of Tettigoniidae Pterophylla camellifolia - a North American katydid species with the common name of "common true katydid"
Katydid may also refer to: Katydids (band), an English pop and rock band USS Katydid (SP-95), a United States navy patrol boat McDonnell TD2D Katydid, a United States navy target drone Denison Katydids, a minor league baseball team A pseudonym used by Kate Slaughter McKinney
See also Katydid sequence, a number sequence Katydid Books, a publisher