MLO

MLO may refer to:


 * Malibu Locals Only, a group of youths local to Malibu, California, US
 * Medio-lateral Oblique, a standard view used in mammography
 * Milos Island National Airport, Greece, IATA code
 * Mildew resistance locus o, a plant gene family
 * Misanthropic Luciferian Order, a Satanic organisation
 * Mortgage Loan Originator Housing and Economic Recovery Act of 2008 term for "loan officer"
 * Mount Laguna Observatory, near San Diego, California, US
 * Mycoplasma-like organism, earliest name for phytoplasmas
 * Mauna Loa Observatory, an atmospheric baseline station near Hilo, Hawaii, US
 * Multi-Link Operation, in Wi-Fi 7, a technology to increase capacity by bundling frequency bands and channels