Katayama
Katayama (片山) is a Japanese surname. Notable people with the surname include:

Entertainers
Sayuri Katayama (片山 沙有里, born 1979), Japanese stage actress
Hitomi Katayama (片山 瞳, born 1980), Japanese film actress
Haruka Katayama (片山 陽加, born 1990), Japanese film actress and singer, former AKB48 member

Politicians
Sen Katayama (片山 潜, 1859–1933), Japanese-born member of the American Communist Party
Tetsu Katayama (片山 哲, 1887–1978), 46th Prime Minister of Japan
Toranosuke Katayama (片山 虎之助, born 1935), Japanese Osaka Ishin no Kai politician
Yoshihiro Katayama (片山 善博, born 1951), Democratic Party of Japan politician, former Minister of Internal Affairs and Communications
Satsuki Katayama (片山 さつき, born 1959), Japanese Liberal Democratic Party politician, former Minister of Finance

Sportspeople
Toshikazu Katayama (片山 敏一, born 1913), Japanese figure skater
Hiroshi Katayama (片山 洋, born 1940), Japanese football defender
Yoshimi Katayama (片山 義美, 1940–2016), Japanese professional Grand Prix motorcycle road racer and auto racer
Misako Katayama (片山 美佐子, born 1944), Japanese javelin thrower
Takazumi Katayama (片山 敬済, born 1951), Japanese Grand Prix motorcycle road racing world champion
Ukyo Katayama (片山 右京, born 1963), Japanese racing driver
Mizuho Katayama (片山 満津芳, born 1969), synchronized swimming coach in Japan, Olympic competitor for South Korea
Shingo Katayama (片山 晋呉, born 1973), Japanese golfer
Tatsuki Katayama (片山 立規, born 1973), Japanese ice hockey player
Rie Katayama (片山 梨絵, born 1979), Japanese cross-country mountain biker
Katayama Shinji (片山 伸次, born 1979), Japanese sumo wrestler
Shosuke Katayama (片山 奨典, born 1983), Japanese football defender (J2 League)
Masato Katayama (片山 真人, born 1984), Japanese football forward (J2 League)
Hiroshi Katayama (baseball) (片山 博視, born 1987), Japanese baseball pitcher
Eiichi Katayama (片山 瑛一, born 1991), Japanese football forward (J2 League)
Raibu Katayama (片山 來夢, born 1995), Japanese snowboarder
Nobuaki Katayama, Japanese racing driver and automative engineer

Writers
Katayama Hiroko (片山 広子, 1878–1958), Japanese poet and translator
Elizabeth Kata (full name Elizabeth Colina Katayama; 1912–1998), Australian novelist
Kyoichi Katayama (片山 恭一, born 1959), Japanese novelist best known for Crying Out Love, In the Centre of the World
Kentarō Katayama (片山 憲太郎, born 1970), Japanese author of light novels

Other
Katayama Tōkuma (片山 東熊, 1854–1917), Japanese architect who designed the original buildings for the Imperial Nara Museum and Kyoto Imperial museum
Yutaka Katayama (片山 豊, 1909–2015), Japanese automotive executive best known as the long-time president of Nissan's US operations
Masamichi Katayama (片山 正通, born 1966), Japanese interior designer
Akio Katayama (片山 章雄, born 1957), Japanese historian of Inner Asia
Fred Katayama (born 1960), American television journalist of Japanese descent
Kazuyoshi Katayama (片山 一良), Japanese animator and director
Katayama Yōkoku (片山楊谷, 1760-1801), Japanese artist

See also
Katayama fever, another name for Schistosomiasis
Katayama Detachment of the Imperial Japanese Army's 2nd Division during World War II