X3

X3 may stand for:

• an emoticon used on the internet
• X3, the third X-Men movie
• X3 a Chicano rap group
• the IATA code for Hapag-Lloyd Express
• X3 is also a way to write XXX.
• Xecuter 3, a fourth-generation Xbox modchip manufactured by TeamXecuter.
• Megaman X3, the third game in Capcom's Megaman X series.
• BMW X3, the BMW Sports Activity Vehicle.