Miscellaneous
- KP duty "kitchen police" or "kitchen patrol", U.S. military slang for mess-hall duties
- Knight of the Order of St. Patrick (postnomial KP)
- Kernel panic, a computer crash in which the kernel of the system is halted
- Kennywood Park, an amusement park in West Mifflin, Pennsylvania
- , Items marked 14KP (for example) are 14K gold and can be sold at buy price. The "P" stands for "plumb gold"
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