Master of Engineering (MEng or M.Eng.), an academic or professional master's degree in the field of engineering
, "M with hook", letter used in the International Phonetic Alphabet
Labiodental nasal consonantal sound, the sound transcribed by that letter
Meng (designer), British fashion house
Marketing Executives Network Group, American non-profit professional association
Haku (wrestler), a former wrestler who used "Meng" as his stage name in World Championship Wrestling
Meng (river), in Austria, tributary of the Ill
Meng and Ecker, British underground comic
Mueang, pre-modern Tai polities in southwestern China, mainland Southeast Asia, and parts of India, pronounced "Meng" in Chinese
League (China) (Chinese: 盟; pinyin: méng), a prefecture-level administrative unit of the autonomous region of Inner Mongolia in the People's Republic of China.