Violet Koo Lan-Chun
- Title : Violet Koo Lan-Chun
- Popularity : 0.917
- Known For : Acting
- Birthday : 1917-11-30
- Place of Birth : Shanghai, China
- Homepage :
- Also Known As : Lanjun Gu, 顧蘭君, Koo Lan-Kwan, Gu Lanjun, Gu Lan-Jun, 顾兰君, Вайолет Ку, Гу Ланьцзюнь, Ланьцзюнь Гу, Гу Лань-цзюнь, Вайолет Ку Лань-чунь