There were four biblical characters called Amasai (Hebrew: עֲמָשַׂי "burdensome", pronounced [ʕamɔːˈɬaj]).
The name is rarely used in modern Hebrew. Its only known contemporary appearance is in the first name of the poet and translator Amasai Levin. It is used less rarely as a Hebrew family name.
This article incorporates text from a publication now in the public domain: Easton, Matthew George (1897). "Amasai". Easton's Bible Dictionary (New and revised ed.). T. Nelson and Sons.