East asian materiality is a cross-disciplinary field of academic inquiry that investigates the complex roles of tangible objects, materials, and their interactions within the historical, cultural, social, and philosophical contexts of East Asia. It explores how physical artifacts, built environments, natural resources, and sensory engagements with the material world shape, and are shaped by, human practices, beliefs, power structures, and aesthetic sensibilities across the region. This concept offers a critical lens to analyze the dynamic relationship between material forms and cultural meaning, providing insights often missed by studies focused solely on textual, political, or ideological dimensions.