| Maichantan Sengmani | |
| Office: | Head of the LPRP Central Committee Propaganda and Training Board |
| Convocation: | 4th term |
| 1Blankname: | General Secretary |
| 1Namedata: | Kaysone Phomvihane |
| Term Start: | 1986 |
| Term End: | 1990 |
| Successor: | Osakanh Thammatheva |
| Convocation1: | 3rd term |
| 1Blankname1: | General Secretary |
| 1Namedata1: | Kaysone Phomvihane |
| Term Start1: | 1982 |
| Term End1: | 1986 |
| Convocation2: | 2nd term |
| 1Blankname2: | General Secretary |
| 1Namedata2: | Kaysone Phomvihane |
| Term Start2: | 1980 |
| Term End2: | 1982 |
| Predecessor2: | Chanmi Douangboutdi |
| Office3: | Head of the LPRP Central Committee Organisation Commission |
| Convocation3: | 4th term |
| 1Blankname3: | General Secretary |
| 1Namedata3: | Kaysone Phomvihane |
| Term Start3: | 1989 |
| Term End3: | 1990 |
| Predecessor3: | Samane Vignaket |
| Successor3: | Oudom Khattigna |
| Death Place: | Vientiane, Laos |
| Occupation: | Politician |
| Party: | Lao People's Revolutionary Party |
| Nationality: | Khmu |
Maichantan Sengmani (Lao: ໄມຈັນຕານ ແສງມະນີ; born 1922 – died 1991) was a Laotian politician and member of the Lao People's Revolutionary Party (LPRP). An ethnic Khmu, he served as the Chairman of the LPRP Control Commission and the State Control Commission.
He was elected to the LPRP Central Committee at the 2nd National Congress and still retained his seat until the 6th National Congress. At the 3rd National Congress he was elected to the LPRP Secretariat and at the 4th National Congress he was elected to the LPRP Politburo.
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