Norman Day + Associates is an architectural design practice based in Melbourne, Australia, established in 1971 by Norman Day. The firm has extensive experience in residential, institutional, and educational design projects, both in Australia and Vietnam. Known for its focus on innovation and sustainability, the practice offers in-house energy rating certification and is led by architects Norman Day and Kirsten Day. The firm has expanded its presence to Southeast Asia, with offices also located in Ho Chi Minh City, Bangkok, and Dili.