The 57th General Assembly of Prince Edward Island was in session from June 9, 1986, to May 2, 1989. The Liberal Party led by Joe Ghiz formed the government.
Edward Clark was elected speaker.
There were four sessions of the 57th General Assembly:
| Session | Start | End |
|---|---|---|
| 1st | June 9, 1986 | July 18, 1986 |
| 2nd | February 2, 1987 | May 14, 1987 |
| 3rd | February 22, 1988 | May 17, 1988 |
| 4th | February 13, 1989 | February 13, 1989 |
| District | Assemblyman | Party | First elected / previously elected | |
|---|---|---|---|---|
| 1st Kings | Ross "Johnny" Young | Liberal | 1978 | |
| 2nd Kings | Roddy Pratt | Progressive Conservative | 1978 | |
| 3rd Kings | A. A. "Joey" Fraser | Progressive Conservative | 1981 | |
| 4th Kings | Stanley Bruce | Liberal | 1984 | |
| 5th Kings | Arthur J. MacDonald [1] | Liberal | 1962, 1970 | |
| Rose Marie MacDonald (1988) | Liberal | 1988 | ||
| District | Councillor | Party | First elected / previously elected | |
| 1st Kings | Albert Fogarty | Progressive Conservative | 1979 | |
| 2nd Kings | Francis O'Brien | Progressive Conservative | 1982 | |
| 3rd Kings | Peter MacLeod | Progressive Conservative | 1982 | |
| 4th Kings | Gilbert R. Clements | Liberal | 1970, 1979 | |
| 5th Kings | Barry Hicken | Liberal | 1986 | |
| District | Assemblyman | Party | First elected / previously elected | |
|---|---|---|---|---|
| 1st Prince | Robert Morrissey | Liberal | 1982 | |
| 2nd Prince | Keith Milligan | Liberal | 1981 | |
| 3rd Prince | Léonce Bernard | Liberal | 1975 | |
| 4th Prince | Stavert Huestis | Liberal | 1984 | |
| 5th Prince | George McMahon [2] | Progressive Conservative | 1976 | |
| Andrew "Andy" Walker (1986) | Progressive Conservative | 1986 | ||
| District | Councillor | Party | First elected / previously elected | |
| 1st Prince | Robert E. Campbell | Liberal | 1962 | |
| 2nd Prince | Allison Ellis | Liberal | 1978 | |
| 3rd Prince | Edward Clark | Liberal | 1970 | |
| 4th Prince | | Prowse Chappel | Progressive Conservative | 1978 |
| 5th Prince | Peter Pope [3] | Progressive Conservative | 1979 | |
| Nancy Evelyn Guptill (1987) | Liberal | 1987 | ||
| District | Assemblyman | Party | First elected / previously elected | |
|---|---|---|---|---|
| 1st Queens | Marion Reid | Progressive Conservative | 1979 | |
| 2nd Queens | Gordon MacInnis | Liberal | 1986 | |
| 3rd Queens | Betty Jean Brown | Liberal | 1986 | |
| 4th Queens | Wilbur MacDonald | Progressive Conservative | 1982 | |
| 5th Queens | Wayne Cheverie | Liberal | 1986 | |
| 6th Queens | Joseph Atallah Ghiz | Liberal | 1982 | |
| District | Councillor | Party | First elected / previously elected | |
| 1st Queens | Leone Bagnall | Progressive Conservative | 1979 | |
| 2nd Queens | Ron MacKinley | Liberal | 1985 | |
| 3rd Queens | Tom Dunphy | Liberal | 1986 | |
| 4th Queens | Lynwood MacPherson | Liberal | 1986 | |
| 5th Queens | Tim Carroll | Liberal | 1986 | |
| 6th Queens | Paul Connolly | Liberal | 1982 | |
Notes: