Blaney is a surname. Notable people with the surname include:
Dave Blaney, NASCAR driverRyan Blaney, NASCAR driverDorothy B. Blaney (1921-1998)Edward Blaney known as Sir Edward BlaneyFrederick Blaney (1918–1988), Irish cricketerGeorge Blaney (born 1939)Harry Blaney (1928–2013)James G. Blaney, Major general in the US National GuardJohn W. Blaney, American diplomatMargaret-Ann BlaneyMichael Floud Blaney GC (1910–1940)Neil Blaney (1922–1995),Reece Blaney (born 1985)Steven Blaney (born 1965), Canadian businessman and politicianSteven Blaney (born 1977), retired Welsh footballerTim Blaney (born 1959), American puppeteer and voice actorVaughn Blaney, Canadian educator and political figureWilliam Banks-Blaney (born 1973)