Yishai is a Hebrew masculine given name, which means "my joy" or "God is my joy". It is derived from the Hebrew words "yi" meaning "my", and "sha'iy" meaning "joy". The name Yishai is often associated with the biblical figure Jesse, who was the father of King David. In some languages, such as English, Spanish, and German, it may also be spelled as Yishaay or Yishaiy.
The name Yishai experienced a notable increase in popularity over the given period, with a significant spike occurring around 2018 to present day. The total number of births with this name reached 396 by 2023.