Lan Cheng-lung
- Title : Lan Cheng-lung
- Popularity : 2.646
- Known For : Acting
- Birthday : 1979-03-01
- Place of Birth : Yilan, Taiwan
- Homepage :
- Also Known As : Blue Lan, Cheng-Lung 'Blue' Lan, Lan Cheng Long, Lan Ching Lung, 藍正龍, Cheng-lung Lan, Lan Zheng Long, Blue Cheng-Lung Lan, 蓝正龙