001, O01, or OO1 may refer to:
Arts and entertainment
*001, fictional British agent, see
00 Agent
In Ian Fleming's James Bond novels and the derived films, the 00 Section of MI6 is considered the secret service's elite. A 00 (pronounced "Double O") is a field agent who holds a licence to kill in the field, at their discretion, to complet ...
*''001'', also known as the ''Princess of Klaxosaurs'', is a character and the central antagonist from
''DARLING in the FRANXX''
*Player number of both
Oh Il-nam and
Oh Young-il, characters from the South Korean survival drama ''
Squid Game
''Squid Game'' () is a South Korean Utopian and dystopian fiction, dystopian Survival film, survival Thriller (genre)#Television, thriller horror television series created, written and directed by Hwang Dong-hyuk for Netflix. The series revol ...
''
**
"001" (''Squid Game'' episode), 2024 episode of ''Squid Game''
Transportation
*AM-RB 001, the code-name for the
Aston Martin Valkyrie sports car
*
Zeekr 001, an electric shooting brake produced by Geely
Science
Asteroids
*1992 OO1, the asteroid
10111 Fresnel
*1997 OO1, the asteroid
9987 Peano
Alleles
*''O01'', an allele, see
ABO
The ABO blood group system is used to denote the presence of one, both, or neither of the A and B antigens on erythrocytes (red blood cells). For human blood transfusions, it is the most important of the 47 different blood type (or group) cla ...
Locations
*O01 Heussler Hamburg Heliport, see
list of airports in New York
*001, the code for the World in the
UN M49 standard for area codes
Other uses
*
1 (number)
1 (one, unit, unity) is a number, numeral, and glyph. It is the first and smallest positive integer of the infinite sequence of natural numbers. This fundamental property has led to its unique uses in other fields, ranging from science to ...
, a number, a numeral
*001, former emergency telephone number for the
Norwegian fire brigade (until 1986)
{{numberdis