The 54th New Brunswick Legislative Assembly was created following a general election in 1999 and was dissolved on May 10, 2003.
The speaker from its first meeting on July 6, 1999, until the Assembly was dissolved was Bev Harrison.
The opposition was led from the forming of the assembly until 2001 by former Premier Camille Thériault, then, until May 14, 2002, by interim leader Bernard Richard and from then until dissolution by Shawn Graham.
Elizabeth Weir led the third party New Democrats for the life of the assembly.
In 2002, Pat Crossman died, her Riverview seat remained vacant until the 55th general election.