Woolnough is a surname. Notable people with the surname include:
Drew Woolnough Bassist in the band Fearless Vampire KillersAdam Woolnough (born 1981), Australian professional rugby league playerBrian Woolnough (1948–2012), British sports journalistGeorge Woolnough, saddler in Tenterfield, New South Wales from 1908 until his retirement in 1960Hilda Woolnough (1934–2007), world-renowned artist with shows in Europe, Asia, the Caribbean and North AmericaJames K. Woolnough (1910–1996), United States Army four-star generalJeff Woolnough, film and television director, with an active career beginning in the late 1980sMarc Woolnough (born 1980), former Australian rules footballerMichael Woolnough (born 1952), former Australian rules footballerWalter George Woolnough (1876–1958), Australian geologist