Sena is of Japanese origin, meaning 'left' or 'remain'. It is also popular in other cultures like Spanish and Italian, where it may have different meanings. In Japan, Sena is often used as a unisex name. The name gained international recognition due to its use by prominent figures such as Sena Jürgens, the Estonian singer.
The name Sena experienced variable popularity over time, with several spikes in usage. Between 1984 and 2023, there were a total of 186 babies named Sena. The most popular years for the name were 2002 with 13 births, 2011 with 14 births, and 2023 with 10 births. Conversely, some years saw no births with this name, indicating periods of low usage. Overall, it appears that Sena has had varying levels of popularity as a baby name over the past four decades.