| Hlersu | |
| Nativename: | Sansu |
| States: | China |
| Ethnicity: | Yi |
| Speakers: | 15,000 |
| Date: | 2007 |
| Ref: | e18 |
| Familycolor: | Sino-Tibetan |
| Fam2: | Tibeto-Burman |
| Fam3: | Lolo–Burmese |
| Fam4: | Loloish |
| Fam5: | Lisoish |
| Fam6: | Lipo–Lolopo |
| Iso3: | hle |
| Glotto: | hler1235 |
| Glottorefname: | Hlersu |
| Map2: | Lang Status 80-VU.svg |
Hlersu (Lesu 勒苏), or Sansu (Shansu 山苏/散苏), is a Loloish language of Yunnan Province, China. It is spoken in Xinping, Jinping, Zhenyuan, Eshan (as Shansu 山苏),[1] and (as Sansu) Yuanjiang County.
Hlersu (autonym: pronounced as /ɬɛɾ55 sɨ55 pʰa21/; exonym: pronounced as /ɬɛɾ55 sɨ55 pʰo21/; pronounced as /so33 su33 pʰa21/) autonym reported in Yunnan (1955)[2]) is spoken by ethnic Hlersu people, who live in 13 townships (50 administrative villages and 143 hamlets). There are 4,040 households and 15,737 individuals in Xinping, Yuanjiang, and Eshan counties (Xu & Bai 2013:1). The ethnic population of each township is as follows.
Speakers refer to their language as pronounced as /ɬɛɾ55 su55 do21/ (Xu & Bai 2013:62). The Hlersu dialect documented by Xu & Bai (2013) is that of Pujiehei 普杰黑, Daxi Village 大西村, Tadian Town 塔甸镇, Eshan County.[3]