Tam Duong can refer to:

• Tam Dương District, Vĩnh Phúc of Vĩnh Phúc Province, Vietnam
• Tam Đường District, Lai Châu of Lai Châu Province, Vietnam

• Oral Fixation Volumes 1&2
• Oral flora
• Oral florid papillomatosis
• Oral-Formulaic Composition
• Oral Formulaic Hypothesis
• Oral-Formulaic Theory in Anglo-Saxon Poetry
• Oral gospel traditions
• Oral hairy leucoplakia
• Oral, Head and Neck Cancer Awareness Week
• Oral health
• Oral Health America
• Oral health care
• Oral history in modern Mali
• Oral History of Our Time
• Oral History of the Contemporary World
• Oral History of the World
• Oral History Society
• Oral hygiene
• Oral Hygiene
• Oralia Dominguez
• Oral implant
• Oral implants
• Oral inflation valve
• Oral Law
• Oral lichenoid lesions