Lynne Elizabeth Woolstencroft (September 23, 1943 – May 13, 2013) was a Canadian politician and former mayor of Waterloo, Ontario.
She received many awards for her political and community service, most notably the Queen Elizabeth II Diamond Jubilee Medal and the Jack Young Civic Award, Waterloo Region's highest recognition for civic service.
Woolstencroft served as a trustee on Waterloo County Board of Education (1970–1972, 1974–1985), including being elected chair from 1979 to 1982.
This ultimately led to a full judicial inquiry of the RIM Park deal, at which Woolstencroft testified and argued she had merely been a "peripheral councillor on this".
In the municipal election of November 2003, Woolstencroft was defeated by former mayor and MPP Herb Epp.