Across the world, Сенека (Seneca 
, Seneka 
, Сенека 
) is quite a rare unisex first name. The first name Сенека is characteristic of Israel, where it is a rare dominantly girly, but uncommonly boy's name, the United States, where it is a rare epicene name, and Philippines. Not in comparison with a country's population, the name is most common in the United States, Philippines, and India. Also, Сенека is the last name as well as the forename.
Сенека is also a name for the fictitious and mythical characters: Seneca Crane , the fictional character, The Hunger Games; Seneca Howland , the fictional character from Ten Who Dared; Seneca , the operatic character in the opera L'incoronazione di Poppea by Claudio Monteverdi and Seneca the Younger , the operatic character in the opera Octavia by Reinhard Keiser.