Do may refer to:
Donald John Trump (born June 14, 1946) is the 45th and current President of the United States. Before entering politics, he was a businessman and television personality.
Doctor Who is a British science-fiction television programme produced by the BBC since 1963. The programme depicts the adventures of a Time Lord called "the Doctor", an extraterrestrial being, to all appearances human, from the planet Gallifrey.
The domestic dog (Canis lupus familiaris when considered a subspecies of the wolf or Canis familiaris when considered a distinct species) is a member of the genus Canis (canines), which forms part of the wolf-like canids, and is the most widely abundant terrestrial carnivore.
The Dominican Republic (Spanish: República Dominicana Spanish pronunciation: [reˈpuβliˌka ðoˌminiˈkana]) is a country located in the island of Hispaniola, in the Greater Antilles archipelago of the Caribbean region.
A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin Philosophiae doctor or Doctor philosophiae) is the highest academic degree awarded by universities in most countries.
Donnie Darko is a 2001 science fiction film written and directed by Richard Kelly. It stars Jake Gyllenhaal, Jena Malone, Drew Barrymore, Mary McDonnell, Katharine Ross, Patrick Swayze, Noah Wyle, and Maggie Gyllenhaal.
The Ingenious Nobleman Sir Quixote of La Mancha (Modern Spanish: El Ingenioso Hidalgo Don Quijote de la Mancha, pronounced [el iŋxeˈnjoso iˈðalɣo ðoŋ kiˈxote ðe la ˈmantʃa]), or just Don Quixote (, US: ; Spanish: [don kiˈxote] ( listen); original pronunciation: [don kiˈʃote]), is a Spanish novel by Miguel de Cervantes.
Dopamine (DA, a contraction of 3,4-dihydroxyphenethylamine) is an organic chemical of the catecholamine and phenethylamine families that plays several important roles in the brain and body.