Tribonyx

{{short description|Genus of birds}}

{{Automatic taxobox

| image = Tasmanian Nativehen (Gallinula mortierii) - Mt Field National Park.jpg

| image_caption = Tasmanian nativehen in Mount Field National Park

| taxon = Tribonyx

| authority = du Bus de Gisignies, 1840

| type_species = Tribonix mortierii{{cite web |url= https://www.aviansystematics.org/4th-edition-checklist?viewfamilies=42 |title= Rallidae |author= |date= |website= aviansystematics.org |publisher= The Trust for Avian Systematics |access-date= 2023-07-27}}

| type_species_authority = De Bus, 1840

| subdivision_ranks = Species

| subdivision = See text

| synonyms =

}}

Tribonyx is a small genus of birds in the rail family, containing two extant species and one recently extinct species. The genus is endemic to Australia and New Zealand. They are sometimes lumped with the moorhens in Gallinula.