'MobiFone Telecommunications Corporation') is a major Vietnamese mobile network operator headquartered in Trung Hoa Nhan Chinh, Hanoi.

Founded on 16 April 1993, as a Global System for Mobile Communications launcher, MobiFone is the second largest telecommunications provider in Vietnam (2023).

[2] MobiFone held a market share of 22.52% in 2023.

Its main competitors included Viettel with 57.6%, VinaPhone with 17.49%, and Vietnamobile with 1.75%.

MobiFone, along with VinaPhone and Viettel, the three large state-owned providers, held a combined market share of almost 98%.