| Sr. No | Name of Chief Ministers | From | To | Party |
|---|---|---|---|---|
| 1 | Williamson A. Sangma (state becomes autonomous) | Apr 2, 1970 | Jul 21, 1972 | APHLC |
| 2 | W.A. Sangma | Jul 21, 1972 | Mar 18, 1973 | APHLC |
| 3 | W.A. Sangma | Mar 18, 1973 | Nov 21, 1976 | APHLC |
| 4 | W.A. Sangma | Nov 22, 1976 | Mar 3, 1978 | INC |
| 5 | Darwin Diengdoh Pugh | Mar 10, 1978 | Feb 21, 1979 | APHLC |
| 6 | Darwin Diengdoh Pugh | Feb 21, 1979 | May 6, 1979 | APHLC |
| 7 | B.B. Lyngdoh | May 7, 1979 | May 7, 1981 | APHLC |
| 8 | W.A. Sangma | May 7, 1981 | Feb 24, 1983 | INC |
| 9 | B.B. Lyngdoh | Mar 2, 1983 | Mar 31, 1983 | APHLC |
| 10 | W.A. Sangma | Apr 2, 1983 | Feb 5, 1988 | INC |
| 11 | P.A. Sangma | Feb 6, 1988 | Mar 25, 1990 | INC |
| 12 | B.B. Lyngdoh | Mar 26, 1990 | Oct 10, 1991 | HPU |
| President's rule | Oct 11, 1991 | Feb 5, 1992 | ||
| 13 | D.D. Lapang | Feb 5, 1992 | Feb 19, 1993 | INC |
| 14 | S.C. Marak | Feb 19, 1993 | Feb 27, 1998 | INC |
| 15 | S.C. Marak | Feb 27, 1998 | Mar 10, 1998 | INC |
| 16 | B.B. Lyngdoh | Mar 10, 1998 | Mar 8, 2000 | UDP |
| 17 | E.K. Mawlong | Mar 8, 2000 | Dec 8, 2001 | UDP |
| 18 | Flinder Anderson Khonglam | Dec 8, 2001 | Mar 4, 2003 | IND |
| 19 | D.D. Lapang | Mar 4, 2003 | Jun 15, 2006 | INC |
| 20 | J. D. Rymbai | Jun 15, 2006 | Mar 10, 2007 | INC |
| 21 | D.D. Lapang | Mar 10, 2007 | Mar 4, 2008 | INC |
| 22 | D.D. Lapang | Mar 4, 2008 | Mar 19, 2008 | INC |
| 23 | Donkupar Roy | Mar 19, 2008 | Mar 18, 2009 | UDP |
| President's rule | Mar 18, 2009 | May 12, 2009 | ||
| 24 | D.D. Lapang | May 13, 2009 | Apr 19, 2010 | INC |
| 25 | Mukul Sangma | Apr 20, 2010 | Mar 5, 2013 | INC |
| 26 | Mukul Sangma | Mar 5, 2013 | Present | INC |
