The 55th General Assembly of Prince Edward Island was in session from June 29, 1979, to August 31, 1982. The Progressive Conservative Party led by Angus MacLean formed the government. When MacLean retired from politics in 1979, James Lee became premier and party leader.
Daniel Compton was elected speaker.
There were four sessions of the 55th General Assembly:
| Session | Start | End |
|---|---|---|
| 1st | June 29, 1979 | August 1, 1979 |
| 2nd | February 7, 1980 | April 12, 1980 |
| 3rd | February 19, 1981 | April 24, 1981 |
| 4th | March 4, 1982 | May 7, 1982 |
| District | Assemblyman | Party | First elected / previously elected | |
|---|---|---|---|---|
| 1st Kings | Ross "Johnny" Young | Liberal | 1978 | |
| 2nd Kings | Roddy Pratt | Progressive Conservative | 1978 | |
| 3rd Kings | William Bennett Campbell [1] | Liberal | 1970 | |
| A. A. "Joey" Fraser (1981) | Progressive Conservative | 1981 | ||
| 4th Kings | Pat Binns | Progressive Conservative | 1978 | |
| 5th Kings | Arthur J. MacDonald | Liberal | 1962, 1970 | |
| District | Councillor | Party | First elected / previously elected | |
| 1st Kings | Albert Fogarty | Progressive Conservative | 1979 | |
| 2nd Kings | Leo Rossiter | Progressive Conservative | 1955 | |
| 3rd Kings | Bud Ings | Liberal | 1970 | |
| 4th Kings | Gilbert R. Clements | Liberal | 1970, 1979 | |
| 5th Kings | Lowell Johnston | Progressive Conservative | 1978 | |
| District | Assemblyman | Party | First elected / previously elected | |
|---|---|---|---|---|
| 1st Prince | Russell Perry | Liberal | 1970 | |
| 2nd Prince | George R. Henderson [1] | Liberal | 1974 | |
| Keith Milligan (1981) | Liberal | 1981 | ||
| 3rd Prince | Léonce Bernard | Liberal | 1975 | |
| 4th Prince | William MacDougall | Progressive Conservative | 1978 | |
| 5th Prince | George McMahon | Progressive Conservative | 1976 | |
| 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 | Progressive Conservative | 1979 | |
| District | Assemblyman | Party | First elected / previously elected | |
|---|---|---|---|---|
| 1st Queens | Marion Reid | Progressive Conservative | 1979 | |
| 2nd Queens | Gordon Lank | Progressive Conservative | 1979 | |
| 3rd Queens | Horace B. Carver | Progressive Conservative | 1978 | |
| 4th Queens | J. Angus MacLean | Progressive Conservative | 1976 | |
| 5th Queens | James M. Lee | Progressive Conservative | 1975 | |
| 6th Queens | Barry Clark | Progressive Conservative | 1978 | |
| District | Councillor | Party | First elected / previously elected | |
| 1st Queens | Leone Bagnall | Progressive Conservative | 1979 | |
| 2nd Queens | Lloyd MacPhail | Progressive Conservative | 1961 | |
| 3rd Queens | Fred Driscoll | Progressive Conservative | 1978 | |
| 4th Queens | Daniel Compton | Progressive Conservative | 1970 | |
| 5th Queens | Wilfred MacDonald | Progressive Conservative | 1979 | |
| 6th Queens | Jim Larkin | Progressive Conservative | 1979 | |
Notes: