MLT may refer to:
- Malta - Republic of Malta, the country code.
- MLT - More Like Trees - London based acoustic drum and bass band, inventors of "strum and bass"
- Master of Laws in Taxation, a specialized post-J.D. degree
- Mean Length Turn in wound electrical components, such as inductors and transformers, representing the calculated average length of a single turn of wound wire around the magnetic core.
- Metropolis light transport
- Modern Literal Taiwanese
- Multi-Link Trunking (MLT), networking link aggregation technology
- Media Lovin' Toolkit An open source multimedia framework, designed and developed for television broadcasting.
- Medical Laboratory Technician A healthcare professional who carries out various technical duties in the clinical laboratory.
- The IATA code of Millinocket Municipal Airport
- Malton railway station, England; National Rail station code MLT.
- Edwin Gordon's Music Learning Theory
- "MALT lymphoma-associated translocation", another name for MALT1
- Mutton, lettuce and tomato sandwich (cf. BLT sandwich)
- Modulated Lapped Transform, a transform technology used in audio coding, such as G.722.1 and Siren Codec
- Mobile Lines of Tajikistan
- Mechanized loop testing
- Magnetic local time