John Law Ma
- Title : John Law Ma
- Popularity : 1.336
- Known For : Directing
- Birthday : 1938-11-04
- Place of Birth :
- Homepage :
- Also Known As : Lo Mar, John Lomar, Law Chau-Woo, 羅馬, Lo Chau-Wu, Lo Ma, John Lo Mar, Mar Lo, Lo Chau-hu, Lo Chi-hu , Lo Hsiu-hu, Lo Chiu Hu, Ma Law, Lu Mar