Taiwanese Groups are recognized as one Ethnic Group by the People's Republic of China: Gaoshen.

Pronounciation: Ga-oshe-n Zu'

(I believe Zu' may mean people.)

This group, Gaoshen is actually made-up of many Taiwanese Aborigine ethnic groups:

Amis

Atayal

Babuza

Basay

Bunun

Hoanya

Kavalan

Ketagalan

Luilang

Paiwan

Pazeh/Kaxabu

Popora

Puyuma

Qauqaut

Rukai

Saisiyat

Sakizaya

Siraya

Tao

TaoKAS

THao

Trobiawan

Truku

Tsou