Exp or EXP may stand for:

• Exponential function, in mathematics
• Expiry date of organic compounds like food or medicines
• Experience points, in role-playing games
• EXPTIME, a complexity class in computing
• Ford EXP, a car manufactured in the 1980s
• Exp (band), an Italian group in the 1990s
• "EXP" (song), a song by The Jimi Hendrix Experience from the album Axis: Bold as Love
• EXP (calculator key), to enter numbers in scientific or engineering notation
• EXP, at Northeastern University

• Exponential map (disambiguation)