Der or DER may refer to:
Derek Sanderson Jeter (/ˈdʒiːtər/ JEE-tər) (born June 26, 1974) is an American former professional baseball shortstop who played 20 seasons in Major League Baseball (MLB) for the New York Yankees.
In finance, a derivative is a contract that derives its value from the performance of an underlying entity.
Dermatitis, also known as eczema, is a group of diseases that results in inflammation of the skin. These diseases are characterized by itchiness, red skin, and a rash.
Derby County Football Club (/ˈdɑːrbi ˈkaʊnti/) is a professional association football club based in Derby, Derbyshire, England.
Derry (/ˈdɛrɪ/), officially Londonderry (/ˈlʌndənˌdɛrɪ/), is the second-largest city in Northern Ireland and the fourth-largest city on the island of Ireland.
Derrick Martell Rose (born October 4, 1988) is an American professional basketball player for the New York Knicks of the National Basketball Association (NBA).
Derry is a town in Rockingham County, New Hampshire, United States. The population was 33,109 at the 2010 census.
Derby is a town in Orleans County, Vermont, United States. The population was 4,604 at the 2000 census.
Derby (/ˈdɑːrbi/ DAR-bi) is a city and unitary authority area in the ceremonial county of Derbyshire, England.