D'Orbigny's tuco-tuco

{{Short description|Species of rodent}}

{{Speciesbox

| name = D'Orbigny's tuco-tuco

| image =

| status = NT

| status_system = IUCN3.1

| status_ref = {{Cite journal | author = Bidau, C. | author2 = Lessa, E. | author3 = Ojeda, R. | name-list-style = amp | title = Ctenomys dorbignyi | journal = The IUCN Red List of Threatened Species | volume = 2008 | page = e.T136234A4263536 | publisher = IUCN | date = 2008 | url = http://www.iucnredlist.org/details/136234/0 | doi = 10.2305/IUCN.UK.2008.RLTS.T136234A4263536.en | access-date = 11 January 2018| doi-access = free }}

| genus = Ctenomys

| species = dorbignyi

| authority = Contreras & Contreras, 1984

| range_map = Ctenomys dorbignyi distribution.svg

| range_map_caption = Geographic range

| synonyms =

}}

D'Orbigny's tuco-tuco (Ctenomys dorbignyi) is a species of rodent in the family Ctenomyidae,{{MSW3 Hystricognathi | id = 13400295 | pages = 1562–1563}} named after French naturalist Alcide d'Orbigny.{{Cite book

| last = Beolens | first = Bo |author2=Watkins, Michael |author3=Grayson, Michael

| title = The Eponym Dictionary of Mammals

| publisher = The Johns Hopkins University Press

| date = 2009-09-28 | location = Baltimore | page = 114

| url = http://google.com/books?id=I-kSmWLc6vYC&pg=PA114

| isbn = 978-0-8018-9304-9| oclc = 270129903}} It is found in northeast Argentina. Its karyotype has 2n = 70, FN = 84–88, which is cytogenetically indistinguishable from some populations of C. pearsoni; the latter taxon may actually represent several species.