Bridget Antoinette Brennan Pastoor (born April 13, 1940) is a Canadian politician who served as a member of the Alberta legislative assembly from 22 November 2004 to May 5, 2015.

After serving two terms on city council and with the resignation of Alberta Liberal Party leader Ken Nicol, she decided to run in the 2004 provincial election to take his place in the Lethbridge-East riding.

Pastoor was elected to her first term as a Member of the Legislative Assembly of Alberta for the constituency of Lethbridge-East on November 22, 2004.

On November 21, 2011, Pastoor crossed the floor to join the Progressive Conservative government of Premier Alison Redford.

[2] Rumours that she was considering crossing the floor had begun in 2009 and in 2010 she admitted to considering switching parties.