The name Sena is a girl's name of Arabic, Hindi, African origin meaning "this world's beauty or grace; army; to praise; bringing heaven to earth". Sena and is often added to user-created lists like Four Letter Girl's Names and discussed in our forums with posts like "Quick Question Thread?!".
From the experts:
Sena is one of those names that is as obscure in the Western World as it is simple and straightforward. Sena exists as a name in a range of languages and cultures and may be pronounced like Senna (with a soft e) or Sienna. Sena is also a place name, a surname, the name of several groups of people, and the name of a genus of moth as well as a kind of wine, among other things. The similar Cinna from The Hunger Games may make Sena more plausible as a first name.