New Year Dash!! is a professional wrestling event held annually by New Japan Pro-Wrestling (NJPW). It is held every year the day after Wrestle Kingdom, the biggest show of the year for New Japan, starting at Wrestle Kingdom 8 in 2014. There have been eight events under the name held so far, with the traditional January 5 date. In 2020 and 2021, with Wrestle Kingdom a two-night event, New Year Dash!! was held on January 6. The event was not held in 2022. After it was confirmed that Wrestle Kingdom would return to a one-day event for 2023, the event returned to its original January 5 date.

Wrestle Kingdom 8 in Tokyo Dome was a professional wrestling pay-per-view (PPV) event produced by the New Japan Pro-Wrestling (NJPW) promotion, which took place at the Tokyo Dome in Tokyo, Japan on January 4, 2014. It was the 23rd January 4 Tokyo Dome Show and the eighth held under the "Wrestle Kingdom" name. Like the previous year, the event aired worldwide on internet pay-per-view (iPPV).