A list of aircraft operators that have that have suffered an accident, serious incident or hijacking. The list may also contain defunct airlines or airlines that in the meantime have changed their name or have merged.

Airlines:
Air Central Co. (named Nakanihon Airlines (NAL) until 2005)
All Nippon Airways - ANA
ANK- Air Nippon (known as Nihon Kinkyori Airways until 1987)
Fujita Airlines (merged with Nitto Aviation and Kita Nihon Airlines into Japan Domestic Airlines)
Imperial Japanese Airways (also known as Dai Nippon Koku KK)
Japan Air Lines - JAL
Japan Air System (renamed from Toa Domestic Airlines in 1988; merged with JAL 2001)
Japan Air Transport (also known as Nihon Koku Yuso KK)
Japan Domestic Airlines (took over Toa Airways in 1971 to form TDA)
Nagasaki Airways (renamed Oriental Air Bridge)
Nihon Kinkyori Airways (renamed Air Nippon in 1987)
Nippon Cargo Airlines
Nitto Aviation (merged with Fuji Airlines and Kita Nihon Airlines into Japan Domestic Airlines)
Southwest Air Lines (renamed Japan Transocean Air, 1993)
Toa Airways (merged with JDA to form TOA Domestic Airlines)
TOA Domestic Airlines (became Japan Air System in 1988)

Corporations:
Nozaki Sangyo
Yomiuri Shimbun

Government:
Japan Coast Guard (formerly Japan Maritime Safety Agency)
Japan Maritime Safety Agency - JMSA (renamed Coast Guard)

Military:
Japan Air Self-Defence Force - JASDF
Japan Maritime Self Defence Force - JMSDF