Neoheterophrictus smithi is a species of tarantulas, native to India.
The specific name smithi is in honour of Andrew M. Smith, who helped the authors with their project.
Neoheterophrictus smithi mainly differs from other species of Neoheterophrictus by the presence of a long, thin spine on the base of the primary tibial apophysis. The primary tibial apophysis also ends in a spine. It has no sub-apical swelling as in N. amboli.