ROH/NJPW War of the Worlds (2015)

< ROH
War of the Worlds '15
Promotional poster for the event, featuring wrestlers from both NJPW and ROH
Promotion(s)New Japan Pro-Wrestling
Ring of Honor
DateMay 12 and 13, 2015
CityPhiladelphia, Pennsylvania, U.S.
Venue2300 Arena
Attendance1,200 (both nights)
Event chronology
 Previous
(NJPW) Wrestling Dontaku
(ROH) Supercard of Honor IX
Next 
Global Wars
War of the Worlds chronology
 Previous
2014
Next 
2016

War of the Worlds '15 was a two-day professional wrestling supershow co-produced by the American Ring of Honor (ROH) and Japanese New Japan Pro-Wrestling (NJPW) promotions. The events took place on May 12 and 13, 2015, at the 2300 Arena in Philadelphia, Pennsylvania, U.S. Both nights were released by ROH on video on demand (VOD) the following week.

War of the Worlds '15 was the second annual War of the Worlds event co-produced by ROH and NJPW, following War of the Worlds, which took place on May 17, 2014, at the Hammerstein Ballroom in New York City.