The All or Nothing World Tour was the second Asia tour and third concert tour overall by South Korean girl group 2NE1, in support of their second Korean studio album Crush (2014). The tour visited various countries in Asia including South Korea, Japan, Philippines, China, Thailand, Malaysia and more from March to October 2014. It was 2NE1's final concert tour before their disbandment two years later in 2016.

2NE1 was a South Korean girl group formed by YG Entertainment, which was active between 2009 and 2016. The group was composed of four members: Bom, CL, Dara, and Minzy. Known for breaking typical stereotypes of K-pop, musical experimentation, fashion, and stage presence, they are recognized for expanding girl group styles in the Korean music industry and have become one of the leading figures of the Korean wave.