Zanjani is a surname. Notable people with the surname include:
Abbas-Ali Amid Zanjani (1937-2001), Iranian politician
Asadollah Bayat-Zanjani (born 1942), Iranian theologian
Babak Zanjani (born 1974), Iranian man
Abdulkarim Zanjani (1887–1968), Muslim scholar
Esmail Zanjani, American researcher
Mirza Abutaleb Zanjani (1843-1911), Iranian jurist
Mohammad Ezodin Hosseini Zanjani (1921-2013), Iranian Twelver Shi'a Marja'
Mousa Shubairi Zanjani (born 1928), Iranian Twelver Shi'a Marja'
Nina Zanjani (born 1981), Swedish actress
Reza Zanjani (1902-1984), Iranian cleric
