Langdenia

{{Short description|Extinct genus of fishes}}

{{Automatic taxobox

| taxon = Langdenia

| authority = Janvier & Phuong, 1999

| type_species = †Langdenia campylognatha

| type_species_authority = Janvier & Phuong, 1999

}}

Langdenia is a genus of prehistoric lobe-finned fish.