Kalmar "Bombay" tsohuwar suna ce ga birnin Mumbai, wanda ke yammacin gabar tekun Indiya. Sunan "Bombay" ana tsammanin ya samo asali ne daga sunan Portuguese "Bom Bahia," wanda ke nufin "mai kyau bay" a Turanci. An yi amfani da sunan "Bombay" a lokacin mulkin mallaka lokacin da Mumbai na cikin daular Burtaniya, amma a hukumance an canza sunan zuwa Mumbai a shekara ta 1995.
