Mion may refer to:

People Alain Mion, French pianist and singer Charles-Louis Mion (1699–1775), French composer Frédéric Mion, French civil servant Giuseppe Mion, Austrian ice hockey player Jérémie Mion, French competitive sailor Luigi Mion, Italian painter Marcos Mion, Brazilian TV host and actor Mion Mukaichi (born 1998), Japanese singer Mion Nakagawa (born 2002), Japanese singer and former member idol group of NMB48 Tina Mion, American contemporary artist

Fictional characters Sonozaki Mion (園崎 魅音), a character from the Higurashi no Naku Koro ni visual novel, anime and manga

Other Mion, Budaun, a block and village panchayat in Uttar Pradesh, India Mion District, one of the 26 districts in the Northern Region of Ghana Mion (Ghana parliament constituency)