Desmatochoerus

{{Short description|Extinct genus of mammals}}

{{Automatic Taxobox

| name = Desmatochoerus

| image =

| image_caption = Sespia ultima and S. californica

| fossil_range = {{fossil range|Late Oligocene|Middle Miocene}}

| taxon = Desmatochoerus

| authority = Thorpe 1921

| type_species =

| subdivision_ranks = Species

| subdivision =

• †D. hesperus
• †D. megalodon

| synonyms =

}}

Desmatochoerus is a large extinct genus of oreodont of the family Merycoidodontidae, endemic to North America. They lived during the Late Oligocene to Middle Miocene 28.4—16.0 mya, existing for approximately {{Mya|28-16|million years}}.[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=42492 Desmatochoerus at fossilworks] Fossils have been uncovered in several locations in the western U.S.