Amphirrhox

{{Short description|Genus of flowering plants}}

{{Automatic taxobox

|image = 10663-Amphirrhox_longifolia-Ventuari.jpg

|image_caption =Flowers of Amphirrhox longifolia

|taxon = Amphirrhox

|image_alt = White flowers with long, thin petals belonging to Amphirrhox longifopia on Rio Ventuari, Venezuela

|authority = Spreng. (1827)

|synonyms =

• Braddleya {{small|Vell. (1829)}}
• Bradleya {{small|Kuntze (1891)}}
• Spathularia {{small|A.St.-Hil. (1824), nom. illeg.}}

|synonyms_ref =

}}

Amphirrhox is a genus of flowering plants belonging to the family Violaceae.{{cite web |title=Amphirrhox Spreng. {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:331340-2 |website=Plants of the World Online |access-date=17 March 2021 |language=en}}

Its native range is Costa Rica to tropical South America as far as Bolivia and southern Brazil.

Two species are accepted.

• Amphirrhox grandifolia {{small|Melch.}}
• Amphirrhox longifolia {{small|(A.St.-Hil.) Spreng.}}