Lockwood Belva Ann Bennett
- mutton fist
- mutton (food)
- muttonhead
- muttonheaded
- muttonheads
- mutton, lettuce, and tomato
- mutton monger
- mutton quad
- mutton snapper
- mutton tallow
- muttontown unitarian universalist fellowship
- muttony
- muttra
- muttrah
- mutts
- mutu
- mutua fides
- optical rangefinder
- optical ranging and detection system
- optical ranging, iff, & communication system
- optical reader
- optical read only memory
- optical real-time adaptive signature identification system
- optical receive data
- optical receiver