| Sisomphone Lovansay | |
| Native Name Lang: | lo |
| Office: | Acting President of the Standing Committee of the Supreme People's Assembly |
| Term Start: | 25 November 1986 |
| Term End: | 1 June 1989 |
| Predecessor: | Souphanouvong |
| Successor: | Nouhak Phoumsavanh |
| Office1: | Head of the LPRP Central Committee Organisation Commission |
| Convocation1: | 2nd term |
| 1Blankname1: | General Secretary |
| 1Namedata1: | Kaysone Phomvihane |
| Predecessor1: | Nouhak Phoumsavanh |
| Successor1: | Samane Vignaket |
| Term Start1: | 1972 |
| Term End1: | 1982 |
| Convocation2: | 1st term |
| 1Blankname2: | General Secretary |
| 1Namedata2: | Kaysone Phomvihane |
| Predecessor2: | Khamseng Sivilai |
| Successor2: | Nouhak Phoumsavanh |
| Term Start2: | 1957 |
| Term End2: | 1964 |
| Birth Date: | 7 July 1916 |
| Death Place: | Vientiane, Laos |
| Party: | Lao People's Revolutionary Party |
Sisomphone Lovansay (Lao: ສີສົມພອນ ລໍວັນໄຊ; 7 July 1916 – 24 February 1993) was a Tai Dam politician and member of the Lao People's Revolutionary Party (LPRP). He served as Vice President of the People's Supreme Court.[1]
He was elected to the LPP Central Committee at the 1st National Congress and retained a seat on the body until the 5th National Congress.
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