This paper explores the Learned Lessons from traditional Yemeni Architecture Towards Sustainable Architecture. It highlights how the local context influences the traditional architecture in Sanaa city and different regions of Yemen and Arab regions, according to nature, climatic conditions, culture, traditional values, and indigenous knowledge. Overview for sustainability during the twentieth century, sustainability and the Islam perspective in the Arab region, and selected the traditional architecture in Yemen as a case study. In addition to the analysis analyzed the city's urban form and the traditional house in Sana’a city, the design and elements of the house; spatial organization, construction systems and building materials, and window openings. Ornaments and sewerage systems. The study summarizes the aspects of sustainability in the traditional house in different regions in Yemen as an indigenous traditional knowledge for sustainable architecture. In conclusion, the traditional houses in the house in Yemen, designed according to the local context and indigenous traditional knowledge, have influenced traditional Yemeni architecture; the house elements and design fulfills sustainable requirements and positively impact the city's environmental, economic, and social aspects. Furthermore, it is considered a learned lesson from traditional architectural heritage and indigenous traditional knowledge toward sustainable architecture.