RP2

RP2, RP-2, RP.2, RP 2, or variant, may refer to:
 * Rensselaer RP-2, crewed glider
 * Radioplane RP-2, drone aircraft
 * Rocket Propellant 2 (RP-2), see RP-1
 * 2-inch RP, a cold-war era Royal Navy rocket
 * Retinitis pigmentosa-2 (RP2), see Retinitis pigmentosa
 * Asteroid RP2
 * 5199 Dortmund or 1981 RP2, asteroid Dortmund, RP2 from 1981, the 5199th asteroid catalogued
 * (5575) 1985 RP2, RP2 from 1985, the 5575th asteroid catalogued
 * 12234 Shkuratov or 1986 RP2, asteroid Shkuratov, RP2 from 1986, the 12234th asteroid catalogued
 * (85176) 1990 RP2, RP2 from 1990, the 85176th asteroid catalogued
 * 96217 Gronchi or 1993 RP2, asteroid Gronchi, RP2 from 1993, the 96217th asteroid catalogued
 * Real projective plane (RP2)
 * RP2 (gene), a gene that encodes protein XRP2