Pas-ta'ai

thumb|Pas-ta'ai ceremonies at Nanzhuang, Miaoli, Taiwan thumb|Pas-ta'ai ceremonies at Wufeng, Hsinchu, Taiwan

'''Pas-ta'ai' (), the "Ritual to the Spirits of the Short [People]", is a ritual of the Saisiyat people, a Taiwanese aboriginal group. The ritual commemorates the Ta'ai'', a tribe of short dark-skinned people they say used to live near them. The ritual is held every two years and all Saisiyat are expected to participate.