佳能(Canon )，是日本的一家全球领先的生产影像与信息产品的综合集团，从1937年成立以来，经过多年不懈的努力，佳能已将自己的业务全球化并扩展到各个领域。佳能的产品系列共分布于三大领域：个人产品、办公设备和工业设备，主要产品包括照相机及镜头、数码相机、打印机、复印机、传真机、扫描仪、广播设备、医疗器材及半导体生产设备等。

佳能总部位于日本东京，并在美洲、欧洲、亚洲及日本设有4大区域性销售总部，在世界各地拥有子公司200家，雇员超过10万人。

2016年3月9日，日本东芝公司于今日召开董事会并最终决定将旗下东芝医疗系统公司出售给佳能公司，佳能公司提出的收购报价为7000亿日元(约合人民币405亿元)。

Canon is one of the world’s top makers of digital imaging and photography equipment. The company was founded in Tokyo, Japan in 1937. It started life as Kwanon but changed to Canon in 1947. It has grown to become synonymous for high quality and affordable products. It has three main areas of operations: Its Office Business Unit manufactures copy machines and printers; its Consumer Business Unit produces SLR and digital cameras and lenses, and video cameras; and its Industry and Other Business Unit is responsible for semiconductor equipment, medical image recording equipment, computers, scanners and calculators. It has an annual revenue in excess of $35 billion. Canon recently topped a survey of 56 companies by the Clean Air-Cool Planet organization for climate-friendliness.