Initialism of Delivery Point Sequence (a system of automated letter sorting used by the United States Postal Service.)

(government, US) Initialism of Department of Public Safety. / (NASA, planetology) Initialism of Division for Planetary Sciences.

plural of DP

(film) Initialism of director of photography. / Initialism of displaced person. / Initialism of display port. / (chemistry) Initialism of degree of polymerization.

(slang) Initialism of double penetrate.

(fandom slang) Initialism of Pokémon Diamond and Pearl.

Initialism of dual-ported random access memory.

plural of DP-RAM

Initialism of double pole, single throw: a type of electrical switch.