Lan Cheng-lung
- Title: Lan Cheng-lung
- Popularity: 1.037
- 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