An oak is a tree or shrub in the genus Quercus in the plant family Fagaceae. When all capitalized, OAK most frequently refers to Oakland International Airport in Oakland, California.
Oak or OAK may also refer to:
Plants Allocasuarina, she-oak Allocasuarina decaisneana, desert oak Casuarina, she-oak Casuarina glauca, swamp oak Lagunaria, white oak Grevillea robusta, silky oak Silky oak (disambiguation) Toxicodendron, poison oak Grey oak Various tanbark oak or stone oak species in genera: Lithocarpus Notholithocarpus
People P. N. Oak (1917–2007), controversial Indian historian Oak Felder, songwriter and record producer Arnold Schwarzenegger, whose long term nickname in the world of bodybuilding is 'The Oak'
Places In the United States Oak, Missouri Oak, Nebraska Oak, West Virginia Oak Township, Stearns County, Minnesota OAK is the standard designation for Oakland International Airport
Elsewhere Oakleigh railway station, in suburban Melbourne, Australia, MTM station code Oak Village, street in London, England
Other uses Donar's Oak, an oak tree believed to be sacred by Germanic pagans Oak & Luna, an American jewelry company Oak (band), English folk band Oak (programming language), a programming language that evolved into Java OAK Racing, endurance racing team OAK (flavoured milk), an Australian brand of flavoured milk Oak Industries, a defunct American electronics company Oak Technology, a defunct chipset maker Mr. Oak, a fictional character from the Doctor Who story Fury from the Deep Professor Oak, a fictional character of the anime, manga, and RPG series Pokémon Oakland Athletics, a Major League Baseball team based in Oakland, California Oak (wine), the use of oak in winemaking United Aircraft Building Corporation (Russian: OAK), company formed by merger of several Russian aerospace firms The Oak, 1992 Romanian film by Lucian Pintilie
See also Quercus (disambiguation) List of Quercus species Oaks (disambiguation) Oak Creek (disambiguation) Oak Island (disambiguation) Oak Tree (disambiguation)