Diane Finley, PC, MP (born October 3, 1957 in Hamilton, Ontario) is a Canadian politician. She serves as Minister of Human Resources and Skills Development in the cabinet of Prime Minister Stephen Harper. She is a current member of the Canadian House of Commons, representing the riding of Haldimand—Norfolk for the Conservative Party.

Diane Finley was raised in Port Dover and Charlotteville in Norfolk County, Ontario, and has a Bachelor of Arts degree and a Masters in Business Administration from the University of Western Ontario. After graduation, she became the administrator of Western's French Immersion School. She then worked in a series of private and public sector jobs, in a variety of fields. She was named "one of Canada's future leaders" by the Governor-General’s Study Conference 2000.

Her husband Doug Finley is campaign manager and director of political operations for the Conservative Party of Canada and a Canadian Senator.