Blaney is a surname. Notable people with the surname include:
Alan Blayney (born 1981), football goalkeeper from Northern Ireland Benjamin Blayney (1728–1801), English divine and Hebraist Dave Blaney (born 1962), American stock car racing driver David Blaney (born 1979), English footballer Diana Blaney, American planetary scientist Dorothy B. Blaney (1921–1998), American stamp collector Frederick Blaney (1918–1988), Irish cricketer George Blaney (born 1939), American former basketball player and coach Greg Blaney, Irish Gaelic footballer and hurler Harry Blaney (1928–2013), Irish politician Ian Blayney (born 1962), Australian politician Isabella W. Blaney (1854–?), American suffragette James Blaney (born 1974), Irish former rugby union player and current coach James G. Blaney, major general in the US National Guard John Blayney (1925–2018), Irish rugby player, barrister, and Supreme Court judge John W. Blaney (born 1948), American diplomat Leah Blayney (born 1986), Australian soccer coach and former player Margaret-Ann Blaney (), Canadian journalist and politician Mark Blaney, film producer (Africa United, Escape from Pretoria) Max Blaney (1910–1940), Second World War British Army bomb defuser Neil Blaney (1922–1995), Irish politician Reece Blayney (born 1985), Australian rugby league footballer Ryan Blaney (born 1993), American stock car racing driver Steven Blaney (born 1965), Canadian businessman and politician Steven Blaney (footballer) (born 1977), Welsh footballer Tim Blaney (born 1959), American puppeteer and voice actor Vaughn Blaney, Canadian educator and political figure
See also Baron Blayney, an extinct title in the Peerage of Ireland, including a list of titleholders with the name Blayney (disambiguation) William Banks-Blaney (born 1973)