Plectranthias vexillarius

{{Short description|Species of fish}}

{{Speciesbox

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Jiddawi, N., Borsa, P., Carpenter, K.E., Obota, C., Smith-Vaniz, W.F. & Yahya, S. |date=2018 |title=Plectranthias vexillarius |volume=2018 |page=e.T46088156A46664899|doi=10.2305/IUCN.UK.2018-2.RLTS.T46088156A46664899.en |access-date=27 December 2023}}

| taxon = Plectranthias vexillarius

| authority = J. E. Randall, 1980

}}

Plectranthias vexillarius is a species of fish in the family Serranidae occurring in the western Indian Ocean.Randall, J.E., 1980. Revision of the fish genus Plectranthias (Serranidae: Anthiinae) with description of 13 new species. Micronesia 16(1):101-187.