This short communication presents “Tourism Sustainomics”,” an adaptation of the scientific concept of Sustainomics, which was originally presented at the World Development Summit in Rio and is specifically tailored to the field of tourism. As an emerging meta-science, Tourism Sustainomics integrates the dimensions of sustainability, stakeholder well-being and the implementation of sustainability principles to provide a comprehensive approach to sustainable tourism development. This paradigm shift advocates for a holistic, interdisciplinary framework that not only recognises the complexity of sustainable practices, but also aims to redefine the science of sustainable tourism to make it fit for the 21st century. By exploring the theoretical underpinnings and practical implications of this new paradigm, this communication aims to advance the academic discourse and promote an actionable science of sustainability in tourism. Tourism Sustainomics strives to influence universal sustainable tourism practices and contribute to a universally sustainable approach that applies to all forms of tourism throughout the physical realm of planet Earth and beyond.