| Khamseng Sivilai | |
| Native Name Lang: | lo |
| Office: | Head of the LPRP Central Committee Organisation Commission |
| Convocation: | 1st term |
| 1Blankname: | General Secretary |
| 1Namedata: | Kaysone Phomvihane |
| Term Start: | 1955 |
| Term End: | 1957 |
| Predecessor: | Post established |
| Successor: | Sisomphone Lovansay |
| Party: | Lao People's Revolutionary Party |
Khamseng Sivilai (lo|ຄໍາແສງ ສີວິໄລ; born ? – died ?) was a lowland Lao politician and member of the Lao People's Revolutionary Party (LPRP). He attended the founding congress of what would later become the Lao People's Revolutionary Party (LPRP) and was elected as one of five members of the 1st Central Executive Committee.
He also served as the party's first leader of organizational work from 25 March 1955 to February 1957.[1]
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