Yan Yun (born 1968) is minor character in The IT Files. Yan is the Chief Superintendent in command of Yao Ma Tei Police station in Hong Kong. He works closely with the Special Duties Unit, Senior Inspector Tommy Chen in particular.
- Current Age: 41
- Height: 5'8"
- Weight: 166 lbs
- Hair Color: Black
- Eye Color: Dark Brown
- Hypnosis Rating: 3
- Current Place of Residence: Hong Kong, CN
- Sexual Preference: Women
- The IT Files: Richard's Dream
- Yan is based on Hong Kong actor Hu Jun.