SAMP

SAMP is an abbreviation for:

San Andreas Multiplayer (also SA: MP, SA-MP), a multiplayer modification for the video game GTA San Andreas, see Grand Theft Auto: San Andreas #Modifications
Small Arms Master Plan , an American weapons development program
the chemical ( S ) - (-) - 1-Amino-2-methoxymethylpyrrolidine, see Enders reagent

Samp. is the author's abbreviation for: