Radio 2 may refer to:

• ABC Radio 2, former name of ABC's Radio National, Australia (1947–1985)
• BBC Radio 2, a British national music radio station
• CBC Radio 2, a Canadian national music radio network
• CyBC Radio 2, Cyprus national radio
• NPO Radio 2, a Dutch radio station
• Radio 2 (Australian radio station), a defunct narrowband Australian radio network (2001–2006)
• Radio 2 (Belgium), a Belgian radio station
• Radio 2 (Estonia) (Raadio 2), an Estonian radio station
• Radio 2 (Ghana), a national radio station in Ghana
• Radio 2 (Hong Kong), a Hong Kong radio station
• Rai Radio 2, an Italian radio station
• RTÉ 2fm, an Irish music radio station originally known as Radio 2