Ellesmereomys

{{Short description|Extinct genus of rodent}}

{{Speciesbox

| fossil_range = Pliocene

| genus = Ellesmereomys

| species = haringtoni

| authority = Martin & Zakrzewski, 2023

}}

Ellesmereomys is an extinct genus of baranomyine cricetid that inhabited Ellesmere Island during the Pliocene epoch. It is known from a single species, E. haringtoni.{{Cite journal |last1=Martin |first1=Robert A. |last2=Zakrzewski |first2=Richard J. |date=30 September 2022 |title=An unusual Pliocene arvicoline-like cricetid rodent from Ellesmere Island in the Canadian Arctic |url=https://www.tandfonline.com/doi/full/10.1080/02724634.2023.2167605 |journal=Journal of Vertebrate Paleontology |language=en |volume=42 |issue=3 |doi=10.1080/02724634.2023.2167605 |issn=0272-4634 |access-date=4 January 2025 |via=Taylor and Francis Online|url-access=subscription }}