Yokoyama (written: 横山) is a Japanese surname. Notable people with the surname include:

• Akihito Yokoyama (born 1961), Japanese golfer
• Chisa Yokoyama (born 1969), Japanese voice actress and singer
• Go Yokoyama in fact Tsuyoshi Yokoyama (b. 1983), Japanese kickboxer
• Hideo Yokoyama (born 1957), Japanese novelist
• Hiroaki Yokoyama (横山 泰明, born 1980), Japanese shogi player
• Hiroki Yokoyama (disambiguation), multiple people
• Hirotoshi Yokoyama (born 1975), Japanese football player
• Hokuto Yokoyama (born 1963), Japanese politician (Democratic Party of Japan)
• Isamu Yokoyama (1889-1952), general in the Imperial Japanese Army
• Juri Yokoyama (born 1955), Japanese volleyball player
• Katsuya Yokoyama (1934–2010), renowned player and teacher of the shakuhachi, a traditional Japanese vertical bamboo flute
• Ken Yokoyama (disambiguation), multiple people
• Kenzo Yokoyama (born 1943), Japanese football player and coach
• Knock Yokoyama (1932–2007), Japanese comedian and politician
• Kumi Yokoyama (born 1993), Japanese football striker
• Kumiko Yokoyama (横山 久美子, born 1972), Japanese cross-country skier
• Kunihiko Yokoyama (横山 邦彦, born 1947), Japanese basketball player
• Marumitsu Yokoyama in fact Okitaka Yokoyama (1780–1854), Japanese late Edo period samurai and founder of the Tōkyūjutsu
• Manabu Yokoyama (横山 学, born 1974), Japanese pole vaulter
• Masafumi Yokoyama (born 1956), Japanese football player
• Masami Yokoyama (born 1981), Japanese volleyball player
• Matsuo Yokoyama (born 1927), president of Walt Disney Enterprises of Japan
• Matsusaburō Yokoyama (1838–1884), pioneering Japanese photographer, artist, lithographer and teacher
• Megumi Yokoyama (actress) (横山 めぐみ, born 1969), Japanese actress
• Megumi Yokoyama (badminton) (横山 めぐみ, born 1990), Japanese badminton player
• Minehiro Yokoyama (born 1971), Japanese ski mountaineer
• Mitsuteru Yokoyama (1934–2004), Japanese manga artist
• Naoki Yokoyama (born 1949), Japanese electrical engineer
• Olga T. Yokoyama (born 1942), American linguist
• Reina Yokoyama (born 2001), Japanese idol and member of girl-group Morning Musume
• Sakujirō Yokoyama (1864–1912), early disciple of Kanō Jigorō
• Satoshi Yokoyama (born 1980), Japanese footballer
• Seiji Yokoyama (1935-2017), Japanese incidental music composer
• Shizuo Yokoyama (1890–1961), Japanese general in the Imperial Japanese Army
• Shōmatsu Yokoyama (1913–1992), Japanese physician
• Sodō Yokoyama (1907-1980), Japanese zen priest
• Sumie Ishitaka (née Sumie Yokoyama), women's professional shogi player
• Sumiko Yokoyama (born 1974), Japanese cross-country skier
• Taikan Yokoyama, pseudonym of Sakai Hidemaro (1868–1958), major figure in pre-WW2 Japanese painting
• Takashi Yokoyama (swimmer) (横山 隆志, 1913–1945), Japanese swimmer
• Takashi Yokoyama (water polo) (横山 隆, born 1940), Japanese water polo player
• Takayuki Yokoyama (born 1972), Japanese football player
• Takuji Yokoyama (横山 卓司, born 1990), Japanese footballer
• Takuya Yokoyama (born 1985), Japanese footballer
• Tomonobu Yokoyama (born 1985), Japanese footballer
• You Yokoyama (born 1981), Japanese idol, singer, actor, radio host and lyricist, member of band Kanjani 8
• Yui Yokoyama (born 1992), Japanese idol, member of girl-group AKB48
• Yuji Yokoyama (born 1969), Japanese footballer

• Yokoyama Dam, a dam in Ibigawa, in the Gifu Prefecture of Japan
• Yokoyama Station (disambiguation), multiple Japanese railway stations

This page lists people with the surname Yokoyama.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.