Nuichua is a genus of Asian stick insects in the tribe Necrosciini, erected by J Bresseel and J Constant, in 2018. To date (2022) the sole species has been recorded from Vietnam.
The Phasmida Species File currently only includes Nuichua rabaeyae <small>Bresseel & Constant, 2018</small>: the genus was named after Núi Chúa National Park, where the type specimens were found.