Uchiyama (written: 内山) is a Japanese surname. Notable people with the surname include:
Akira Uchiyama (born 1954), Japanese politician of the Democratic Party of JapanAtsushi Uchiyama (born 1959), former Japanese football playerKōki Uchiyama (born 1990), Japanese actor and voice actor from Saitama PrefectureKiyoshi Uchiyama, Japanese consul to the Philippines before WW2Kōshō Uchiyama (1912–1998), Soto priest, origami master, former abbot of Antaiji near Kyoto, JapanMasaru Uchiyama (born 1957), former Japanese football playerMasato Uchiyama, Japanese actorRina Uchiyama (born 1981), Japanese actressTakashi Uchiyama (born 1979), super featherweight boxer from JapanToshihiko Uchiyama (born 1978), Japanese football playerUchiyama Gudō (1874–1911), Sōtō Zen priest and anarcho-socialist activist executed in the High Treason Incident