2015 Bahrain GP2 Series waa laba tartan oo hal mar ah oo hal kursi ah oo lagu qabtay 18 iyo 19 Abriil 2015 oo ka dhacay Bahrain International Circuit ee Sakhir, Bahrain oo qayb ka ah GP2 Series. Waxay ahayd wareegii koowaad ee 2015 GP2 Series waxaana lagu qabtay taageerada 2015 Bahrain Grand Prix
Waxaad Tartankii ugu horreeyay, oo ahaa tartan muuqaal ah oo 32 wareeg ah, waxaa ku guuleystay darawalka ART Grand Prix Stoffel Vandoorne oo ka soo baxay booska pole. Rio Haryanto ayaa kaalinta labaad ka galay kooxda Campos Racing, iyo darawalka Racing Engineering Alexander Rossi ayaa kaalinta saddexaad galay. Haryanto ayaa ku guuleystay tartankii gaagaaban ee 23 wareeg ee orodka, Vandoorne ayaa kaalinta labaad galay, iyo darawalka Lazarus Nathanaël Berthon oo kaalinta saddexaad galay.