Watson Wyatt Worldwide, Inc. (NYSE: WW) is a global consulting firm. The firm's services include: managing the cost and effectiveness of employee benefit programs; developing attraction, retention and reward strategies; advising pension plan sponsors and other institutions on optimal investment strategies; providing strategic and financial advice to insurance and financial service companies; and delivering related technology, outsourcing and data services. Its principal operating subsidiary, Watson Wyatt & Company, is a human capital consulting firm with operations in the Americas, Europe and Asia Pacific. Its corporate offices are in Arlington, Virginia.

As of January, 2009, Watson Wyatt Worldwide has 7,700 employees in 106 offices located in 32 countries around the world.

Watson Wyatt Worldwide traces its roots back to the oldest actuarial firm in the world, formed in 1878. Watson Wyatt's first client is still a client 130 years later.