Gen X usually refers to Generation X, the demographic coming after baby boomers but preceding Millennials.

Gen X may also refer to:

• Abbreviation for Generation X (comics)
• Working title of Gen¹³
• Generation X (band), the punk band where Billy Idol got his break.
• GNX, commonly pronounced "Gen X", is the sixth album release by rap artist Kendrick Lamar

• GenX (disambiguation)