Black-crested Sumatran langur

{{Short description|Species of Old World monkey}}

{{Speciesbox

| name = Black-crested Sumatran langur

| image = Presbytis melalophos 78991441.jpg

| status = EN

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Nijman, V. |author2=Setiawan, A. |author3=Traeholt, C. |author4=Manullang, B |date=2020 |title=Presbytis melalophos |volume=2020 |page=e.T39811A17954271 |doi=10.2305/IUCN.UK.2020-2.RLTS.T39811A17954271.en |access-date=15 November 2021}}

| genus = Presbytis

| species = melalophos

| authority = (Raffles, 1821)

| synonyms =

| range_map = Sumatran Surili area.png

| range_map_caption = Combined range black-crested Sumatran langur, black Sumatran langur, black-and-white langur and mitered langur

}}

The black-crested Sumatran langur (Presbytis melalophos) is a species of primate in the family Cercopithecidae. It is endemic to Sumatra in Indonesia. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.

The black Sumatran langur, black-and-white langur, Sarawak surili, Raffles' banded langur and mitered langur were formerly considered subspecies of P. melalophos.{{cite web|title=Presbytis mitrata|url=https://www.mammaldiversity.org/explore.html#genus=Presbytis&species=mitrata&id=1000668|publisher=American Society of Mammalogists|access-date=2020-04-08}}{{notinsource|date=June 2023}}{{cite journal|title=Mitochondrial phylogeny of leaf monkeys (genus Presbytis, Eschscholtz, 1821) with implications for taxonomy and conservation|author=Meyer, Dirk|author2=Rinaldi, Ir. Dones|author3=Ramlee, Hatta|author4=Perwitasari-Farajallah, Dyah|author5=Hodges, Keith|author6=Roos, Christian|journal=Molecular Phylogenetics and Evolution|doi=10.1016/j.ympev.2011.02.015|volume=59|issue=2|year=2011|pages=311–319|pmid=21333742 |bibcode=2011MolPE..59..311M |access-date=2020-10-14|url=https://www.sciencedirect.com/science/article/abs/pii/S1055790311000662|url-access=subscription}}