葉問4
- taona: 2019
- Firenena: China, Hong Kong
- Genre: Action, Drama, History
- Studio: Mandarin Films, Tin Tin Film Production
- Keyword: immigrant, martial arts, kung fu, california, fight, san francisco, california, chinatown, karate, based on true story, sequel, cancer, racism, chinese, wing chun, 1960s, san francisco, factual
- tale: 葉偉信
- Cast: Donnie Yen, Wu Yue, 吳建豪, Scott Adkins, Kent Cheng Jak-Si, 陳國坤