Jahan, meaning "world" in Persian, may refer to:
Pierre Jahan (1909–2003), French photographer Shah Jahan (1592-1666), fifth Mughal emperor, reigned from 1628 to 1658 Rita Jahan-Farouz (born 1962), known mononymously as Rita, Iranian-born Israeli singer and actress
See also Jahan (name) Ishrat Jahan case (1985–2004), shooting and criminal case in the Gujarat state of India Jahan Nama (disambiguation), several places in Iran