Kenya Kasahara (笠原 謙哉, born 15 May 1988) is a Japanese handball player and a member of the Japanese national team.

He represented Japan at the 2019 World Men's Handball Championship[1][2] and at the 2020 Summer Olympics.

[3] In July 2021, Kasahara signed with Hörður of the Icelandic 1. deild karla.

[4][5] He helped Hörður finish first in the 1. deild in 2022, and achieve promotion to the top-tier Úrvalsdeild karla.

[6] After spending the 2022–2023 season with SPR Tarnów, he returned to Hörður in July 2023.