EP1
EP1 or EP 1 may refer to:

Music
EP 1 (Crosses EP), 2011
EP1 (dollys EP), 2013
EP1 (Duke Dumont EP), 2014
EP1 (FKA Twigs EP), 2012
EP1 (Kleptones EP), 2006
EP 1 (Odd Year and the Reverb Junkie EP), 2012
EP1 (Pixies EP), 2013
EP 1 (Qveen Herby EP), 2017
EP1 (Smoke & Jackal EP), 2012
EP 1 (Zero 7 EP), 2000
EP001, an EP by Thenewno2, 2006
EP 1, an EP by Basement Jaxx, 1994
EP1, an EP by Viktoria Modesta, 2010

Science
Prostaglandin EP1 receptor, a human gene
EP1 procyclin, a trypanosome procyclin protein

Transport
EP1 (electric locomotive), a Russian locomotive
New Haven EP-1, an electric locomotive built for the New York, New Haven and Hartford Railroad, 1905–1908

See also
Episode I (disambiguation), the first release of any series
EpOne, a 2000 EP by Hundred Reasons