The Department of Jobs, Tourism, Science and Innovation is Western Australia's lead agency for economic development, international trade and investment, and tourism. It also leads the promotion and development of the defence, international education, science and innovation sectors in Western Australia.

The Department has four groups (Strategy and International Engagement, Resources and Project Facilitation, Industry, Science and Innovation and Tourism WA) and is supported by Corporate Services, Legal Services and the Office of the Director General.

The Department comprises the Western Australian Tourism Commission.