Bobby Au-yeung Tsan-wah (born 28 July 1960) is a Hong Kong actor best known for his comedic roles in many TVB television dramas. Au-yeung gained wide public attention in the 1990s for his portrayal of Ben Yu in the 1991 legal drama File of Justice, appearing in all five seasons of the drama. Au-yeung is also known for his lead roles in several of TVB's most successful television series franchises, including Armed Reaction, Witness to a Prosecution, and Forensic Heroes. Au-yeung is most recognised by TV audiences due to his shaven head.
Au-yeung graduated from TVB's Artiste Training Academy in 1982 and began appearing in many television dramas as background extras, to roles with minor speaking parts, and later to major supporting roles. Au-yeung landed his first lead role in the legal drama File of Justice, which premiered in 1991. File of Justice was a major success and spawned five seasons, turning Au-yeung into a major breakout star. Au-yeung won Best Actor at the 2000 TVB Anniversary Awards for his portrayal as Sung Chee in Witness to a Prosecution. He is also the first Hong Kong actor to receive an Emmy nomination at the 2007 International Emmy Awards.