Family name Ihalage (Ihalage 
) , in the entire world, is a rare cognomen. The surname Ihalage is characteristic of Sri Lanka, where it is quite a rare surname, New Zealand, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Very seldom, Ihalage is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ihalage | New Zealand, United States, Sri Lanka, United Kingdom |