Type 0 or Type O may refer to:
Type 0 Aircraft Type 0 Carrier Fighter Mitsubishi A6M, a Japanese fighter aircraft Type 0 Observation Seaplane Mitsubishi F1M, a Japanese reconnaissance seaplane Type 0 Reconnaissance Seaplane Aichi E13A, a Japanese reconnaissance seaplane Type 0 Small Reconnaissance Seaplane Yokosuka E14Y, a Japanese submarine-based reconnaissance seaplane Type 0 Transport Showa/Nakajima L2D, a Japanese transport aircraft
Watercraft Type-0 heavy lift vessel Dockwise Vanguard, a semi-submersible heavy lift ship
Entertainment Final Fantasy Type-0, a video game
Science and technology Glycogen storage disease type 0, a disease Type 0 civilization in the Kardashev scale of technological advancement Type-0 language or Recursively enumerable language in the Chomsky hierarchy of formal languages Type 0 string theory, a model of string theory Type 0 tape, an informal classification of audio cassette formulation that is a step below IEC Type I
Type O Type O in the ABO blood group system an O-type star an O-type main-sequence star an O-type giant star a subdwarf O star the Handley Page Type O, a biplane an O-type asteroid
See also Typo (disambiguation)