The station code for Kumarapuram railway station — see List of railway stations in India

The Knuth-Pratt-Morris algorithm

Königliche Porzellan-Manufaktur (German, Royal Porcelain Manufacture)

Kodak Picture Maker a self-service digital photo kiosk manufactured by Eastman Kodak

The King's Police Medal for Gallantry

A Kelvin probe microscope is an important variety of AFM for surfaces