Globally, Justly (Justly 
) is a very rare dominantly boy's, but uncommonly feminine first name. The forename Justly is habitual in Southern Asia, particularly India, where it is an extremely rare mostly male, but seldom feminine name. Much less frequently, Justly is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Justly | India, Nigeria, United States, Philippines |