2G (disambiguation)

2G is the second-generation wireless telephone technology.

2G or 2-G may also refer to:
 * Red 2G, a dye
 * Yellow 2G, a dye
 * Cargoitalia's IATA code
 * A character from Eden of the East
 * 2G-Regel, a public health rule in use during the COVID-19 pandemic in Germany, Switzerland and Austria