The Best Secret Agent 4: Fake Couple
- Cast: Pai Hung, Ko Chun-Hsiung, Lin Chi, Yang Chen, Yu Tian
- Duration: 99 minutes
- Genre: Mystery, Crime, Romance, Action
- Rating: N/A/10
- Release Date: 1966-03-15
The fourth film of the 5-film series The Best Secret Agent series of taiyupian (Taiwanese-language cinema), which was also dubbed into a Mandarin version.
