Surname Lotoy (Lotoy 
) , all over the world, is a very rare cognomen. The family name Lotoy is habitual in Philippines, where it is a very rare surname, France, where it is an extremely rare surname, and the United States. Much less frequently, Lotoy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lotoy | India, United States, France, Philippines |