Nielsen

Nielsen may refer to:

==Business== Nielsen Gallery, an American commercial art gallery Nielsen Holdings, global information, data, and measurement company Nielsen Corporation, a marketing research firm Nielsen Audio, formerly Arbitron, which measures radio listenership Nielsen Broadcast Data Systems, a service also known as BDS that tracks monitored radio, television, and internet airplay of songs Nielsen Media Research, the company that creates the Nielsen ratings Nielsen ratings, a rating system used to gauge audience measurement of television programming habits in the United States Nielsen Norman Group, a computer user interface and user experience consulting firm