- Public Security Bureau (Chinese police)
- Please see below
- (computing) program specification block (IBM)
- (military, US) Presidential Service Badge
- (music) Pet Shop Boys
2008, Tara Brabazon, Thinking Popular Culture: War, Terrorism and Writing, page 155:
- Adult love, loss, triumph and decline is catalogued by PSB's words, rhythms, clothes and politics. The Pet Shop Boys have staying power.
Public security Bureau