Petasites

Maruyama (written: 丸山 or 圓山) is a Japanese surname. Notable people with the surname include:

Atsushi Maruyama (丸山敦, born 1976), Japanese professional wrestler
Atsushi Maruyama (actor) (丸山敦史, born 1983), Japanese actor
Gisiro Maruyama (丸山儀四郎, born 1916), Japanese mathematician
Joshiro Maruyama (丸山城志郎, born 1993), Japanese judoka
Karina Maruyama (丸山桂里奈, born 1983), Japanese women's footballer
Kunio Maruyama (丸山邦雄, born 1903), Japanese adventurer and professor of economics
Masao Maruyama (Japanese Army officer) (丸山政男, born 1889), Japanese Army officer
Masao Maruyama (scholar) (丸山眞男, born 1914), Japanese scholar
Masao Maruyama (film producer) (丸山正雄, born 1941), Japanese film producer
Magoroh Maruyama (born 1929), Japanese/American business educator
Paul Maruyama, an American judoka
Shigemori Maruyama (丸山繁守, born 1967), Japanese swimmer
Shigeo Maruyama (丸山茂雄, born 1941), Japanese record producer
Shigeo Maruyama (engineer) (丸山茂夫), Japanese engineer
Shiro Maruyama (圓山詩郎, born 1948), Japanese fencer
Tadahisa Maruyama (丸山忠久, born 1970), Japanese shogi player
Takahiko Maruyama (丸山孝彦, born 1946), Japanese sumo wrestler
Tadayuki Maruyama (丸山忠行, born 1942), Japanese boxer
Takashi Maruyama (丸山孝, born 1953), Japanese volleyball player
Toshiaki Maruyama (丸山寿明, born 1959), Japanese Nordic combined skier
Yuko Maruyama (丸山裕子, born 1989), Japanese volleyball player

Fictional characters