G2, G02, G.II, G II, or G-2 might refer to:

Fiction

Science and mathematics

Computing

  • Extreme-G 2, a 1998 Nintendo 64 game
  • G2, a model of PowerPC
  • Gnutella2, the P2P file sharing Network
  • HTC Hero mobile phone, aka G2 Touch
  • LG G2, an Android smartphone developed by LG Electronics
  • T-Mobile G2, an Android smartphone made by HTC for T-Mobile USA
  • Garden G2, an internet proxying tool
  • Cook Codec or RealAudio G2, an audio compression method

Commerce and industry

Transportation

Military

Other uses

  • G2, The Guardian weekday supplement
  • G2 Esports, a Spanish eSports organization
  • Group of Two, a proposed informal special relationship between the United States and China
  • G-2 visa, a nonimmigrant visa which allows travel to the United States