Psidium guineense is a species of guava.
Common names include Brazilian guava, Castilian guava, sour guava, Guinea guava (English language), Goyavier du Brésil (French language), brasiliaanse koejawel (Afrikaans), Stachelbeerguave (German language), chobo, diondan (Bolivia), guayabillo de tierra fria (El Salvador), araçá do campo, aracahy (Brazil), guayaba brava, sacha guayaba (Peru), allpa guayaba (Ecuador), guayaba agria (Venezuela, Mexico), guayaba acida, chamach, pichippul (Guatemala), guísaro (Costa Rica), and guayabita de sabana (Panama).