Simimyidae

{{Short description|Extinct family of rodents}}

{{Automatic taxobox

| fossil_range = Middle to Late Eocene

| taxon = Simimyidae

| authority = A. E. Wood, 1980

| subdivision_ranks = Genera

| subdivision =

†Simimys

†Nonomys

}}

Simimyidae is a family of extinct rodents from North America.{{Cite web |title=Simimyidae |url=https://www.gbif.org/species/3240548 |access-date=2023-04-15 |website=www.gbif.org |language=en}}