Macaulay, MacAulay, or McAulay may refer to:
Name Surname Macaulay (surname), an English-language surname with multiple etymological origins (also includes surnames Macauley, MacAulay and McAulay).
People Surname Thomas Babington Macaulay, 1st Baron Macaulay, British historian and Whig politician who played a major (and controversial) role in reforming education in India. List of people with surnames Macaulay, MacAulay or McAulay
Given name Macaulay Culkin, American actor Macaulay Langstaff, English footballer
Places Macaulay River, in the South Island of New Zealand Macaulay railway station, Melbourne, Victoria, Australia The Macaulay Institute, a land use research institute based in Aberdeen, Scotland William E. Macaulay Honors College, a school which is part of City University of New York, in New York, USA MacAulay Field, Canadian football stadium in Sackville, NS, Canada
Families Clan MacAulay, a Scottish clan historically seated at Ardincaple Castle, in Scotland. Macaulay family of Lewis, a Scottish family historically centred on Lewis in the Outer Hebrides, in Scotland.
Mathematics Cohen–Macaulay ring, a commutative ring, named after Irvin Cohen and Francis Sowerby Macaulay (1862-1937). Macaulay computer algebra system, a computer algebra system, named after Francis Sowerby Macaulay (1862-1937). Macaulay2, a free computer algebra system, which is a successor of the preceding. Macaulay matrix, a generalization of Sylvester matrix to n homogeneous polynomials in n variables. Macaulay brackets, a notation used to describe the ramp function. Macaulay Duration, a special case of bond duration, named after Frederick Macaulay (1882-1970).
Other Macaulay Cup, Scottish shinty cup Macaulay Library, animal sound library MacAulay and Co, BBC Radio Scotland daily magazine
See also McAuley (disambiguation) McCauley (disambiguation) Macaulayism, named after Thomas Babinage Macauly, colonial policy of liquidating indigenous culture Aulay Maulay, France Peter de Maulay (died 1241) counsellor to King John