Mbah is both a given name and a surname. Notable people with the name include:

Longevity myths#Mbah GothoMbah Gotho (died 2017), known for unvalidated extreme claim of longevity Mbah Koné (born 1990), Burkina Faso footballer Mbah Maridjan (1927?–2010), spiritual guardian of the Indonesian volcano Mount Merapi Mbah Surip (1949–2009), Indonesian singer Chigozie Mbah (born 1997), Nigerian footballer Chimezie Mbah (born 1992), Nigerian footballer David Mbah, Nigerian engineer Grace Oluchi Mbah (born 1994), Nigerian activist Ivo Mbah (died 2018), Ambazonian general Peter Mbah born 1972), Nigerian lawyer Sam Mbah (1963–2014), Nigerian author Luc Mbah a Moute (born 1986), Cameroonian basketball player Joseph Mbah Ndam, Cameroonian politician