Portrait | Name Electoral district (Birth–Death) | Term of office | Party |
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| Andrew George Blair MLA for York (1844–1907) | 1879–1883 | | Liberal |
| Daniel Lionel Hanington MLA for Westmorland (1835–1909) | 1883–1892 | | Conservative |
| Alfred Augustus Stockton MLA for Saint John (1842–1907) | 1892–1899 | | Conservative |
| Douglas Hazen MLA for Sunbury (1853–1937) | 1899–1908 | | Conservative |
| Clifford William Robinson MLA for Westmorland (1866–1944) | 1908–1912 | | Liberal |
| Arthur Bliss Copp MLA for Westmorland (1870–1949) | 1912 | | Liberal |
| Louis-Auguste Dugal MLA for Madawaska (1869–1926) | 1912–1917 | | Liberal |
| James Alexander Murray MLA for Kings (1864–1960) | 1917–1920 | | Conservative |
| John Babington Macaulay Baxter MLA for Saint John County (1868–1946) | 1920–1921 | | Conservative |
| Charles Dow Richards MLA for York (1879–1956) | 1921–1925 | | Conservative |
| Peter Veniot MLA for Gloucester (1863–1936) | 1925–1926 | | Liberal |
| Allison Dysart MLA for Kent (1880–1962) | 1926–1935 | | Liberal |
| Frederick C. Squires MLA for Carleton County (1881–1960) | 1935–1939 | | Conservative |
| Hugh Mackay MLA for Kings County (1887–1957) | 1940–1948 | | Progressive Conservative |
| Hugh John Flemming MLA for Carleton (1899–1982) | 1949–1952 | | Progressive Conservative |
| Austin Claude Taylor MLA for Westmorland (1893–1965) | 1952–1957 | | Liberal |
| Joseph E. Connolly MLA for Gloucester (1887–1973) | 1957–1958 | | Liberal |
| Louis Robichaud MLA for Kent (1925–2005) | 1958–1960 | | Liberal |
| Hugh John Flemming MLA for Carleton (1899–1982) | 1960 | | Progressive Conservative |
| Cyril Sherwood MLA for Kings (1915–1996) | 1960–1966 | | Progressive Conservative |
| Charles Van Horne MLA for Restigouche (1921–2003) | 1967 | | Progressive Conservative |
| Richard Hatfield MLA for Carleton (1931–1991) | 1967–1970 | | Progressive Conservative |
| Louis Robichaud MLA for Kent (1925–2005) | 1970–1971 | | Liberal |
| Robert J. Higgins MLA for Saint John Centre (born 1934) | 1971–1978 | | Liberal |
| Joseph Daigle MLA for Kent North (born 1934) | 1978–1981 | | Liberal |
| Doug Young MLA for Tracadie (born 1940) | 1982–1983 | | Liberal |
| Ray Frenette MLA for Moncton East (1935–2018) | 1983–1985 | | Liberal |
| Shirley Dysart MLA for Saint John Park (1928–2016) | 1985 | | Liberal |
| Frank McKenna MLA for Chatham (born 1948) | 1985–1987 | | Liberal |
| Camille Thériault [a] MLA for Kent South (born 1955) | 1987–1991 | | Liberal |
| Danny Cameron MLA for York South (1924–2009) | 1991–1995 | | Confederation of Regions |
| Ab Rector MLA for Oromocto (1934–2005) | 1995 | | Confederation of Regions |
| Greg Hargrove MLA for York North (born 1959) | 1995 | | Confederation of Regions |
| Bernard Valcourt MLA for Edmundston (born 1952) | 1995–1997 | | Progressive Conservative |
| Elvy Robichaud MLA for Tracadie-Sheila (born 1951) | 1997–1998 | | Progressive Conservative |
| Bernard Lord MLA for Moncton East (born 1965) | 1998–1999 | | Progressive Conservative |
| Camille Thériault MLA for Kent South (born 1955) | 1999–2001 | | Liberal |
| Bernard Richard MLA for Shediac-Cap-Pelé (born 1951) | 2001–2002 | | Liberal |
| Shawn Graham MLA for Kent (born 1968) | 2002–2006 | | Liberal |
| Bernard Lord MLA for Moncton East (born 1965) | 2006–2007 | | Progressive Conservative |
| Jeannot Volpé MLA for Madawaska-les-Lacs (born 1950) | 2007–2008 | | Progressive Conservative |
| David Alward MLA for Woodstock (born 1959) | 2008–2010 | | Progressive Conservative |
| Victor Boudreau MLA for Shediac-Cap-Pelé (born 1970) | 2010–2013 | | Liberal |
| Brian Gallant MLA for Kent (born 1982) | 2013–2014 | | Liberal |
| Bruce Fitch MLA for Riverview | 2014–2016 | | Progressive Conservative |
| Blaine Higgs MLA for Quispamsis (born 1954) | 2016–2018 | | Progressive Conservative |
| Brian Gallant MLA for Shediac Bay-Dieppe (born 1982) | 2018–2019 | | Liberal |
| Denis Landry MLA for Bathurst East-Nepisiguit-Saint-Isidore (born 1957) | 2019–2020 | | Liberal |
| Roger Melanson MLA for Dieppe | 2020–2022 | | Liberal |
| Rob McKee MLA for Moncton Centre (born 1985) | 2022–2023 | | Liberal |
| Susan Holt MLA for Bathurst East-Nepisiguit-Saint-Isidore (born 1977) | 2023–2024 | | Liberal |
| Glen Savoie MLA for Saint John East
| 2024–present | | Progressive Conservative |