003, O03, 0O3, OO3 may refer to:
* 003, former emergency telephone number for the
Norwegian ambulance service (until 1986)
* 1990 OO3, the asteroid
6131 Towen
*
OO3 gauge model railway
* ''O03 (O2)'' and other related blood type alleles in the
ABO blood group system
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) c ...
and
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 ...
* O03 Morganville Airport, see
list of airports in Pennsylvania
*
Tyrrell 003
The Tyrrell 003 is a Formula One (F1) racing car which was designed by Tyrrell Racing, Tyrrell's chief designer, Derek Gardner (motorsport), Derek Gardner and used in the and F1 seasons. It was driven by Jackie Stewart to the 1971 Formula One ...
, 1971 Formula One season car
*
BAR 003, 2001 Formula One season car
*
''003'' (album), by Đorđe Balašević
*
BMW 003
The BMW 003 (full RLM designation 109-003) is an early axial turbojet engine produced by BMW AG in Germany during World War II. The 003 and the Junkers Jumo 004 were the only German turbojet engines to reach production during World War II.
W ...
turbojet engine
*
003 (UN M.49 code) for North America
*
Type 003 aircraft carrier of China
*
Scuderia Cameron Glickenhaus SCG 003
The Scuderia Cameron Glickenhaus SCG 003 (developed under the code name ''P33'') is a limited edition sports car and racing car developed and manufactured by American boutique car maker Scuderia Cameron Glickenhaus, Scuderia Cameron Glickenhaus LL ...
, an American supercar
{{Number disambiguation