Cognomen Lapsi (Lapsi 
) , across the world, is a very rare last name. The surname Lapsi is habitual in Latvia, where it is a rare surname, the United States, where it is an extremely rare surname, and Philippines. More prevalently, Lapsi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lapsi | Philippines, United States, South Africa, India, Latvia |