Nielsen may refer to:

Business

Nielsen Gallery Nielsen Gallery is a commercial art gallery originally located on Newbury Street in the Back Bay area of Boston, United States. Founded in 1963 by Nina Nielsen and John Baker, the gallery won “Best Show in a Commercial Gallery in the United States ...

, an American commercial art gallery *

Nielsen Holdings Nielsen Holdings plc is an American information, data and market measurement firm. Nielsen operates in over 100 countries and employs approximately 44,000 people worldwide. The company was listed on the New York Stock Exchange (NYSE) and use ...

, global information, data, and measurement company **

Nielsen Corporation The Nielsen Corporation, self-referentially known as The Nielsen Company, and formerly known as ACNielsen or AC Nielsen, is a global marketing research firm, with worldwide headquarters in New York City, United States. Regional headquarters for ...

, a marketing research firm **

Nielsen Audio Nielsen Audio (formerly Arbitron) is a consumer research company in the United States that collects listener data on radio broadcasting audiences. It was founded as the American Research Bureau by Jim Seiler in 1949 and became national by mergin ...

, formerly Arbitron, which measures radio listenership **

Nielsen Broadcast Data Systems Broadcast Data Systems (also known as BDS or Luminate BDS), is a service that tracks radio, television and internet airplay of songs. The service, which is a unit of MRC Data, is a contributing factor to North American charts published by co-owned ...

, a service also known as BDS that tracks monitored radio, television, and internet airplay of songs **

Nielsen Media Research Nielsen Media Research (NMR) is an American firm that measures media audiences, including television, radio, theatre, films (via the AMC Theatres MAP program), and newspapers. Headquartered in New York City, it is best known for the Nielsen rat ...

, the company that creates the Nielsen ratings ***

Nielsen ratings Nielsen Media Research (NMR) is an American firm that measures media audiences, including television, radio, theatre, films (via the AMC Theatres MAP program), and newspapers. Headquartered in New York City, it is best known for the Nielsen rat ...

, a rating system used to gauge audience measurement of television programming habits in the United States *

Nielsen Norman Group The Nielsen Norman Group (NN/g) is an American computer user interface and user experience consulting firm, founded in 1998 by Jakob Nielsen and Don Norman. Their work includes an analysis of the interface of Microsoft's Windows 8 operating syst ...

, a computer user interface and user experience consulting firm

Other uses

Nielsen (surname) Nielsen () is a Danish patronymic surname, literally meaning ''son of Niels'', Niels being the Danish version of the Greek male given name Νικόλαος, Nikolaos (cf. Nicholas). It is the most common surname in Denmark, shared by about 5% of th ...

, including a list of people *

Nielsen (crater) Nielsen is a lunar impact crater on the Oceanus Procellarum. It is located north-east of Montes Agricola on the western hemisphere of the Moon. To the east-southeast is the crater Wollaston. Nielsen is a bowl-shaped formation that lies astride ...

, a lunar impact crater on the Oceanus Procellarum *

Nielsen–Olesen vortex In theoretical physics, a Nielsen–Olesen vortex is a point-like object localized in two spatial dimensions or, equivalently, a classical solution of field theory with the same property. This particular solution occurs if the configuration space ...

, a point-like object localized in two spatial dimensions or a classical solution of field theory with the same property *

Nielsen fixed-point theorem Nielsen theory is a branch of mathematical research with its origins in topological fixed-point theory. Its central ideas were developed by Danish mathematician Jakob Nielsen, and bear his name. The theory developed in the study of the so-called ' ...

Nielsen Fjord Nielsen Fjord () is a fjord 2 nautical miles (3.7 km) wide between Cape North and Gregory Bluffs on the north coast of Victoria Land Victoria Land is a region in eastern Antarctica which fronts the western side of the Ross Sea and the R ...

Nielsen Glacier Nielsen Glacier () is a glacier, 4 nautical miles (7 km) long, discharging into the west side of Robertson Bay just west of Calf Point, northern Victoria Land. First charted by the British Antarctic Expedition, 1898–1900, under C.E. Borchg ...

Nielsen Park She-Oak ''Allocasuarina portuensis'', commonly known as the Nielsen Park she-oak, is an extremely rare plant growing in Sydney, Australia. Encountered as a shrub or small slender tree, up to tall, it has green drooping branchlets up to in length. It ...

Business

Other uses

See also