Cognomen Ian Christopher (Ian Christopher 
) , worldwide, is an extremely rare surname. The surname Ian Christopher is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. Much more frequently, Ian Christopher is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ian Christopher | Philippines, Australia, New Zealand, United Kingdom, Chile |
Ret, Garcia, Laguio, Higley, Forbes, Ocampo, Manapat, Morales, Mendoza, Salenga, Satorre, Antonio, Cayacay, Cudanin, Patagan, Noquera, Cornfoot, Bautista, Gonzales, Karamihan, Dela Cruz, Javellana, Rivero, Rivera, Robles, Parcon, Lee, Lim, Abad, Ayap, Nala, Salac, Barty, Perez, Ramos, Reyes, Fernandez, Dawis, Duque, Gomez, Gelle, Glipa, Lopez, Milroy, Santos, Satago, Corpuz, Buyser, Dizon, and Pangilinan