ROH/NJPW War of the Worlds (2019)

War of the Worlds (2019)
Promotion	New Japan Pro-Wrestling Ring of Honor
Date	May 8, 9, 11 and 12, 2019
City	Night 1: Buffalo, New York Night 2: Toronto, Ontario, Canada Night 3: Grand Rapids, Michigan Night 4: Villa Park, Illinois, U.S. (TV taping)
Venue	Night 1: Buffalo RiverWorks Night 2: Ted Reeve Arena Night 3: DeltaPlex Arena Night 4: Odeum Expo Center
Pay-per-view chronology
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War of the Worlds chronology
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New Japan Pro-Wrestling events chronology
← Previous Wrestling Dontaku 2019 Next → Dominion 6.9 in Osaka-jo Hall

War of the Worlds (2019) was a four city, four event professional wrestling tour co-produced by the American Ring of Honor (ROH) and Japanese New Japan Pro-Wrestling (NJPW) promotions.

The cards took place on May 8, 2019 at Buffalo RiverWorks in Buffalo, New York, May 9 at the Ted Reeve Arena in Toronto, Ontario, May 11 at the DeltaPlex Arena in Grand Rapids, Michigan, and May 12 at the Odeum Expo Center in Villa Park, Illinois. The first three nights aired live on Honor Club and Fite.tv, while the fourth night was taped for four future episodes, including the 400th overall episode, of ROH's weekly television program, Ring of Honor Wrestling.