The Cyrtacanthacridinae are a subfamily of Orthoptera: Caelifera in the family Acrididae. They are sometimes referred-to as bird locusts, criquets voyageurs in French-speaking Africa, and Knarrschrecken in German.

It includes species of locusts, short-horned grasshoppers that undergo phase polymorphism and are among the most important pests of sub-Saharan Africa; they include the desert locust and the red locust, with the related Bombay locust in Asia.

One of the characteristics of members of this subfamily is the prominent peg between the forelegs: hence the name for the Australian Spur-throated locust.

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