AP Films
| Logo used by the company until 1966 | |
| Industry | |
|---|---|
| Genre | |
| Predecessors | 
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| Founded | 1957 (Maidenhead, UK) | 
| Founders | |
| Fate | Dissolved c. 1972 | 
| Successors | 
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| Headquarters | 
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| Key people | |
| Owner | Lew Grade (from 1962) | 
| Number of employees | Over 200 (at its peak) | 
| Parent | Century 21 Organisation (from 1966) | 
| Subsidiaries | 
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AP Films or APF (renamed Century 21 Productions in 1966) was a British independent film production company of the 1950s until the early 1970s. The company became internationally known for its imaginative children's action-adventure marionette television series – most significantly Thunderbirds – produced for British ITV network companies Associated-Rediffusion, Granada, ABC and ATV. At its height, the company employed more than 200 staff.