Protomelas triaenodon

{{Short description|Species of fish}}

{{Speciesbox

| image =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Konings, A. |author2=Kazembe, J. |date=2019 |title=Protomelas triaenodon |volume=2019 |page=e.T61088A155051440 |doi=10.2305/IUCN.UK.2019-3.RLTS.T61088A155051440.en |access-date=17 November 2021}}

| taxon = Protomelas triaenodon

| authority = (Trewavas, 1935)

| synonyms =

• Haplochromis triaenodon Trewavas, 1935
• Cyrtocara triaenodon (Trewavas, 1935)

}}

Protomelas triaenodon is a species of cichlid native to the southern portion of Lake Malawi, Lake Malombe and the Shire River. This species can reach a length of {{convert|15.4|cm|in}} TL. It can also be found in the aquarium trade.{{FishBase |genus= Protomelas|species= triaenodon| month = April | year = 2013}}