Family name Septimus (Settimo 
, Septimus 
, Semana 
) , around the world, is quite a common cognomen. The family name Septimus is habitual in Lesotho, where it is quite a rare surname, Botswana, and Philippines. Not in comparison with a country's population, it is the most numerous in Philippines, Italy, and the United States. Likewise, Septimus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Settimo | Argentina, France, United Kingdom, United States, Italy |
| Septimus | Philippines, Malaysia, South Africa, Sierra Leone, United States |
| Semana | Philippines, Malaysia, Argentina, Rwanda, United States |
| Séptimo | Dominican Republic, Spain, Mexico, Peru, Panama |
| lucius marcius septimus Roman soldier who attacked Hasdrubal in Hispania (b. 300) |
|
|
|
rikki septimus South-African Dancer, actor, director and choreographer, ZA (b. 1931) |
|
| matthew septimus (b. 1952) |
|
|
| yehuda septimus (b. 1977) |
|