Erika's tuco-tuco (Ctenomys erikacuellarae), is a species of tuco-tuco native to Bolivia. Found only in the Cordillera Oriental mountain ranges in the Santa Cruz and Chuquisaca Departments, at elevations of around , the species measures around in length and has soft brown and ochraceous orange hair. It was named after Erika Cuéllar, a conservation biologist from Bolivia.