Fujitsu Ltd. , commonly referred to as Fujitsu, is a Japanese multinational information technology equipment and services company headquartered in Tokyo, Japan. In 2015, it was the world's fourth-largest IT services provider measured by IT services revenue (after IBM, HP and Accenture). Fortune named Fujitsu as one of the world's most admired companies and a Global 500 company.

Fujitsu chiefly makes computing products, but the company and its subsidiaries also offer a diversity of products and services in the areas of personal computing, enterprise computing, including x86, SPARC and mainframe server products, as well as storage products, telecommunications, advanced microelectronics, and air conditioning. It has approximately 159,000 employees and its products and services are available in over 100 countries.