MLO

MLO may refer to:

• Macau Liaison Office, a government office
• 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