| Native Name: | 丸山 裕子 |
| Native Name Lang: | ja |
| Birth Date: | 22 October 1946 |
| Occupation: | Actress |
| Years Active: | 1969–present |
| Agent: | Teatro Echo |
is a Japanese voice actress from Tokyo, affiliated with Teatro Echo.[1] She is known for portraying Gon in First Human Giatrus, Kinoppy in Paul's Miraculous Adventure, Santa Minami in Chōgattai Majutsu Robo Ginguiser, Minoru Yamada in Ojamanga Yamada-kun, Togejirou in Ninja Hattori-kun, Prince Komaro in Yattodetaman, Ryo Ishizaki in Captain Tsubasa, Mag in Choushinsei Flashman, and Robotan in Robotan.
Hiroko Maruyama, a native of Tokyo, was born on 22 October 1946 and educated at Ōmori High School.[2] After spending one year at Toho School of Performing Arts, she joined Teatro Echo in 1966.
In 1972, she voiced U-ko in Shin Obake no Q-Tarō. In 1974, she voiced Gon in First Human Giatrus. In 1976, she voiced Kinoppy in Paul's Miraculous Adventure. In 1977, she voiced Santa Minami in Chōgattai Majutsu Robo Ginguiser. In 1980, she voiced Minoru Yamada in Ojamanga Yamada-kun. In 1981, she voiced Prince Komaro in Yattodetaman. The same year, she voiced Togejirou in Ninja Hattori-kun, reprising her role in the franchise's films ESP Wars (1984) and Ninja Beast Jippō vs. Miracle Egg (1985). In 1983, she voiced Ryo Ishizaki in Captain Tsubasa, later reprising the role in the 1994 video game of the same name. In 1986, she voiced the titular character of Robotan.
Other anime she appeared in include Brave Raideen, Galaxy Express 999, Ashita no Joe, Urusei Yatsura, Pastel Yumi, the Magic Idol, Ranma ½, Moomin, The Brave of Sun Fighbird, The Brave Express Might Gaine, DNA², Shadow Skill: Eigi, Silent Möbius, and Power Stone. She also had voice acting roles in the Hayao Miyazaki films My Neighbor Totoro (1988) and Kiki's Delivery Service (1989). Although her voice acting career had gradually declined by then, she still had voice acting roles during the 2000s and 2010s, including Koharu Midō in , Mamō in And Yet the Town Moves, Tamura-san in Ground Control to Psychoelectric Girl.
In 1983, she portrayed Otsune in the drama Oshin.[1] In tokusatsu, she voiced the titular character of and Mag in Choushinsei Flashman.[1]
She is skilled in nagauta.
She is the widow of actor Eken Mine.[3]