Maseng is a surname. Notable people with the surname include:
Alfred Maseng (d. 2004), Vanatuan politician Danny Maseng, Israeli singer-songwriter Einar Maseng (1880–1972), Norwegian diplomat Mari Maseng Will (born 1954), American political advisor Ragnvald Maseng (1891–1920), Norwegian sport shooter Sigurd Maseng (1894-1952), Norwegian diplomat Torleiv Maseng (born 1946), Norwegian engineer