Tantilla cucullata

{{Short description|Species of snake}}

{{Speciesbox

| image = Tantilla_cucullata_158430096.jpg

| image_caption =

| status = LC

| status_system = IUCN3.1

| status_ref ={{cite iucn |author=Hammerson, G.A. |year=2007 |title=Tantilla cucullata |volume=2007 |page=e.T63942A12730234 |doi=10.2305/IUCN.UK.2007.RLTS.T63942A12730234.en |access-date=15 July 2023}}

| genus = Tantilla

| species = cucullata

| image_alt = Person holding a Big Bend Blackhead Snake in their hand.

| authority = Minton, 1956

| range_map =

| range_map_caption =

}}

Tantilla cucullata, the Big Bend blackhead snake, is a species of snake of the family Colubridae.{{cite web |title=Tantilla cucullata|url=http://reptile-database.reptarium.cz/species?genus=Tantilla&species=cucullata|website=The Reptile Database |access-date=10 December 2021}}

The snake is found in the United States and Mexico.