Macdonald, MacDonald or McDonald may refer to:

Organisations

* McDonald's, a chain of fast food restaurants * McDonald & Co., a former investment firm *

MacDonald Motorsports MacDonald Motorsports (MMS) was a NASCAR team owned by former NASCAR Sprint Cup series driver Randy MacDonald, his mother, Pat MacDonald and his daughter Jenifer MacDonald. Craftsman Truck Series MacDonald made its NASCAR debut in 2000 at Dayt ...

, a NASCAR team * Macdonald Realty, a Canadian real estate brokerage firm * McDonald Centre, a research institute in the University of Oxford

Places

Canada

Macdonald, Manitoba Macdonald is an unincorporated community in Manitoba northwest of Portage la Prairie. The Post Office opened in 1884 on section 33, township 12, range 8 west of the Prime Meridian. Originally known as Drumconner, it changed to its present name in ...

, a rural municipality * Macdonald (electoral district), a federal electoral district in Manitoba

United States

McDonald, Kansas McDonald is a city in Rawlins County, Kansas, United States. As of the 2020 census, the population of the city was 113. History A post office was opened in Celia (an extinct town) in 1880, but it was moved to McDonald in 1888. McDonald was na ...

* McDonald, Missouri * McDonald, New Mexico * McDonald, North Carolina * McDonald, Ohio *

McDonald, Pennsylvania McDonald is a borough in Allegheny and Washington counties in the U.S. state of Pennsylvania, 18 miles (29 km) southwest of Pittsburgh. The population was 2,056 at the 2020 census. Of this, 1,661 were in Washington County, and 395 were in ...

, a borough straddling the boundary between Washington and Allegheny counties *

McDonald Observatory McDonald Observatory is an astronomical observatory located near unincorporated community of Fort Davis in Jeff Davis County, Texas, United States. The facility is located on Mount Locke in the Davis Mountains of West Texas, with additional fac ...

, an astronomical observatory in Texas, United States * MacDonald, West Virginia

Other places

Heard Island and McDonald Islands The Territory of Heard Island and McDonald Islands (HIMI) is an Australian external territory comprising a volcanic group of mostly barren Antarctic islands, about two-thirds of the way from Madagascar to Antarctica. The group's overall siz ...

, Australian islands in the Southern Ocean * McDonald Beach, Antarctica *

McDonald (crater) McDonald is a small lunar impact crater located in the central Mare Imbrium. It was named after American benefactor William Johnson McDonald and Scottish selenographer Thomas Logie MacDonald. This crater is a cup-shaped feature with a circular r ...

, a lunar impact crater in the Mare Imbrium * Macdonald River (disambiguation)

People

* Macdonald (name), a list of people with surname Macdonald and its variants * Justice McDonald (disambiguation) *

Baron Macdonald Baron Macdonald, of Slate in the County of Antrim, is a title in the Peerage of Ireland. It was created in 1776 for Sir Alexander Macdonald, 9th Baronet, of Sleat. The Macdonald family of Sleat descends from Uisdean Macdonald (died 1498), also ...

, a title in the Peerage of Ireland **

Macdonald baronets There have been two baronetcies created for members of the Macdonald family, one in the Baronetage of Nova Scotia and one in the Baronetage of the United Kingdom. One creation is extant. The Macdonald Baronetcy, later Bosville Macdonald Baronetc ...

, two British titles

Other uses

* Angus L. Macdonald Bridge, a suspension bridge in Canada *

Macdonald triad The Macdonald triad (also known as the ''triad of sociopathy'' or the '' homicidal triad'') is a set of three factors, the presence of any two of which are considered to be predictive of, or associated with, violent tendencies, particularly with ...

, a set of psychological characteristics associated with sociopathic behavior *

Macdonald polynomials In mathematics, Macdonald polynomials ''P''λ(''x''; ''t'',''q'') are a family of orthogonal symmetric polynomials in several variables, introduced by Macdonald in 1987. He later introduced a non-symmetric generalization in 1995. Macdonald origi ...

, in mathematics *

Old MacDonald Had a Farm "Old MacDonald Had a Farm" (sometimes shortened to Old MacDonald) is a traditional children's song and nursery rhyme about a farmer and the various animals he keeps. Each verse of the song changes the name of the animal and its respective nois ...

, a nursery rhyme