EP3

EP3 may refer to:

Music

 * EP3 (Basement Jaxx EP)
 * EP3 (Kleptones EP)
 * EP3 (Pixies EP)
 * EP3 (Ringo Starr EP)

Science

 * Procyclin EP3, a trypanosome procyclin protein
 * Prostaglandin EP3 receptor

Transportation

 * Lockheed EP-3, an electronic surveillance turboprop aircraft
 * Milwaukee Road class EP-3, a U.S. electric locomotive used by the railway operator Milwaukee Road 1919-1957
 * PKP class EP03, a Swedish electric locomotive used by the Polish railway operator PKP
 * EP3, the chassis code for the 2001-2005 Civic Si and Type R; see Honda Civic (seventh generation)