Lam Ngai Kai, a.k.a. Nam Lai Choi, Nam Nai Choi, Simon Nam, is a Hong Kong-based cinematographer and film director. In the West he is mainly known for his overtly violent movie Story of Ricky.
- Known For: Directing
- Birthday: 1951-09-18
- Place of Birth: Hong Kong, British Crown Colony [now China]
- Also Known As: Ngai Kai Lam, 藍乃才 , Simon Nam, Nam Nai-Choi, Lan Nei-Tsai, 蓝乃才, Lam Ngai Kai, Nam Lai Choi, Nam Nai Choi, Simon Nam , Lam Nai-Choi, 남내재