LP
- LP – (i) Linkin Park – Linkup Point – Listening Post – Long Playing record – Louisiana Pacific (cf. LP Field)
- LPC – (i) Linear Predictive Coding
- LPD – (i) Landing Platform Dock (Navy hull classification) – Low Probability of Detection
- LPG – (i) Liquefied Petroleum Gas (cf. LNG)
- LPI – (i) Low Probability of Intercept
- LPS – (i) Landsat Processing System – (p) LipoPolySaccharide
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