Blaikie is a Scottish surname, and may refer to:
- Bill Blaikie (born 1951), deputy leader of the New Democratic Party (NDP) in Canada
- George Blaikie, Australian author and journalist.
- James Blaikie (1786-1836), Lord Provost of Aberdeen (1833-1836)
- John Arthur Blaikie (born 1849), English poet and journalist
- Peter Blaikie (born 1937), Canadian lawyer and statesman
- Piers Blaikie (born 1942), British development scholar
- Sir Thomas Blaikie (1802-1861), Lord Provost of Aberdeen (1839-1847 and 1853-1856).
- Walter Biggar Blaikie (1847-1928), Scottish civil engineer, printer, historian and astronomer
- William Garden Blaikie (1820-1899), Scottish writer, biographer, and activist in the temperance movement
Blaikie may also refer to:
- Aberdeen Railway Co v Blaikie Brothers, UK company law case.
- Agnes Blaikie (barque), merchant ship chartered by the British government during the Crimean War.
- Attorney General of Quebec v. Blaikie (No. 1), Supreme Court of Canada decision on language rights.
- Heenan Blaikie, Canadian law firm.
- Jane Currie Blaikie Hoge,welfare worker, fund raiser, and wartime nurse.