3P

3P or 3p may refer to:


 * 3P, People Planet Profit, or Triple bottom line
 * 3P, Aruban Tiara Air's IATA airline designator
 * 3P, proved plus probable plus possible Oil reserves
 * 3p, an arm of Chromosome 3 (human)
 * People's Policy Project, a US think tank
 * Threepence (disambiguation), in coinage