| Global Wars 2018 | |
| Promotion: | New Japan Pro-Wrestling Ring of Honor |
| Date: | November 7, 2018 November 8, 2018 November 9, 2018 November 11, 2018 |
| Venue: | Androscoggin Bank Colisee Lowell Memorial Auditorium Buffalo RiverWorks Mattamy Athletic Centre |
| City: | Lewiston, Maine Lowell, Massachusetts Buffalo, New York Toronto, Ontario, Canada |
| Liveevent: | y |
| Lastevent: | (ROH) Survival of the Fittest / (NJPW) Power Struggle |
| Nextevent: | (ROH) Final Battle / (NJPW) World Tag League; Wrestle Kingdom 13 |
| Event: | Global Wars |
| Lastevent2: | 2017 |
| Nextevent2: | 2019 |
Global Wars 2018 was a professional wrestling tour co-produced by the American Ring of Honor (ROH) and Japanese New Japan Pro-Wrestling (NJPW) promotions. The tour's four events took place on November 7 at the Androscoggin Bank Colisee in Lewiston, Maine, November 8 at Lowell Memorial Auditorium in Lowell, Massachusetts, November 9 at Buffalo RiverWorks in Buffalo, New York and November 11 at Mattamy Athletic Centre in Toronto, Ontario, Canada.
This was the fifth year in which ROH and NJPW co-produced shows under the Global Wars name.