Kiyoshi, written in any of various ways, is a Japanese boys' name.
People named Kiyoshi include:
Akira Kawabata ("Kiyoshi"), pro wrestler
Kiyoshi Atsumi, actor
Kiyoshi Hasegawa, artist
Kiyoshi Hikawa, singer
Kiyoshi Ijichi, drummer
Kiyoshi Ikenaga, shiatsupractor
Kiyoshi Itō, mathematician
Kiyoshi Katsuki, soldier
Kiyoshi Kawakami, journalist
Kiyoshi Kawakubo, voice actor
Kiyoshi Kobayashi, actor
Kiyoshi Kohatsu, animation director and producer
Kiyoshi Koishi, photographer
Kiyoshi Kuromiya, author and advocate
Kiyoshi Kurosawa, filmmaker
Kiyoshi Miki, philosopher
Kiyoshi K. Muranaga, soldier
Kiyoshi Myobudani, sumo wrestler
Kiyoshi Nakano, politician
Kiyoshi Nishiyama, photographer
Kiyoshi Ogawa, navy pilot
Kiyoshi Oka, mathematician
Kiyoshi Ōkubo, murderer
Kiyoshi Okuma, footballer
Kiyoshi Saito, footballer
Kiyoshi Saitō, hanga artist
Kiyoshi Sakai, anime producer and animator
Kiyoshi Sasabe, film director
Kiyoshi Shiga, physician and bacteriologist
Kiyoshi Sonobe, photographer
Kiyoshi Suzuki, photographer
Kiyoshi Takayama, yakuza
Kiyoshi Tamura, wrestler
Kiyoshi Tanabe, boxer
Kiyoshi Tanimoto, Methodist minister
Kiyoshi Tomizawa, footballer
Kiyoshi Toyoda, baseballer
Kiyoshi Uchiyama, consul
Kiyoshi Ueda, politician
Kiyoshi Uematsu, judōka
Kiyoshi Yamashita, artist
Kiyoshi Yoshimoti, kobudōka