The grey-breasted crake (Laterallus exilis) is a species of bird in subfamily Rallinae of family Rallidae, the rails, gallinules, and coots.

It is found in Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama, Trinidad and Tobago, and every mainland South American country except Chile and Uruguay.

One is from Belize and eastern Guatemala through Honduras, Nicaragua, Costa Rica, and Panama into Colombia and western Venezuela.

The largest encompasses most of Amazonian Brazil, Colombia, Ecuador, and Bolivia and extends south through Paraguay into northeastern Argentina.

Most have shallow standing water, such as the edges of marshes, rivers, and lakes and also wet meadows and rice fields.

The grey-breasted crake has several vocalizations including "a series of 2–10 'tink' or 'keek' notes; also [a] descending musical rattle and [a] quiet, sharp 'check'.