Maag is a surname. Notable persons with that name include:
- Bruno Maag (born 1962), Swiss type designer
- Dan Maag (born 1975), German film producer
- Karin Maag (born 1962), German politician
- Natalie Maag (born 1997), Swiss luger
- Peter Maag (1919–2001), Swiss conductor
- Ron Maag (born 1945), American politician
See also
- AnnaSofia Mååg (born 1968), Swedish ice artist
- MAAG