4 Cantonese films of 1981 ranked by box office. #1: Security Unlimited (HK$18 million).
| # | Film | Lead | Director | Budget | Box office | Multiple |
|---|---|---|---|---|---|---|
| 1 | Security Unlimited | Michael Hui | HK$18 million | |||
| 2 | Chasing Girls | Karl Maka | HK$9.5 million | |||
| 3 | Dreadnaught | Yuen Woo-ping | HK$5.6 million | |||
| 4 | Beware of Pickpockets | Wu Ma | HK$5.1 million |
Figures are shown in the currency they were reported in (Wikipedia, Wikidata or TMDB); no conversion.