(1905) Oncaglossum pringlei is a species of flowering plant in the family Boraginaceae.

It is the sole species in genus Oncaglossum.

It is native to subtropical Mexico, where it ranges from Coahuila to Michoacán.

[1] The species was first described as Cynoglossum pringlei by Jesse More Greenman in 1905.

In 2010 Karel Sutorý placed the species in its own genus as Oncaglossum pringlei.