- Language: Hla'alua
- Alternate names: Saaroa, Lha’alua, Saroa, Saarua, Rarua, La'alua, La'arua, Pachien, Paichien, Sisyaban, Shishaban, 拉阿魯哇語
- Language code: sxr
- Language family: Austronesian, Tsouic, Kanakanavu-Saaroa
- Number of speakers: 10
- Vulnerability: Endangered
The Tsouic language has traditionally been divided into the northern branch (Tsou) and the southern branch (Kanakanabu and Saaroa).As for the ethnicity, the Saaroa people, together with the Kanakanabu people, had long been classified as part of the Tsou nationality in Taiwan. However, the Saaroa and the Kanakanabu have been officially recognized as two independent ethnic groups in June 26, 2014.