MLX or mlx may refer to:
Science and technology Millilux (mlx), an SI unit of illumination equal to 10−3 lux Megalux (Mlx), an SI unit of illumination equal to 106 lux MLX (gene), a human gene encoding max-like protein X MLX (machine language entry software), software for entering binary data from magazines MLX (Apple ML framework), a software framework for Apple hardware
Other uses Malatya Erhaç Airport (IATA Airport code), Turkey 1060 (Roman numerals: MLX)