|Full name||Karina Maruyama|
|Date of birth||March 26, 1983|
|Place of birth||Ota, Tokyo, Japan|
|Height||1.63 m (5 ft 4 in)|
|2001–2004||Nippon Sport Science University|
|2010–2011||JEF United Chiba||14||(2)|
|2012–2016||Konomiya Speranza Osaka-Takatsuki||96||(13)|
|* Senior club appearances and goals counted for the domestic league only|
Maruyama was born in Ota, Tokyo on March 26, 1983. After graduating from Nippon Sport Science University, she joined TEPCO Mareeze in 2005. She was elected Best Young Player awards in 2005 season. She played until 2009 season, in 2010 went to United States. In September, she returned to Japan and joined JEF United Chiba. In 2012, she moved to Speranza FC Osaka-Takatsuki (later Konomiya Speranza Osaka-Takatsuki). She retired end of 2016 season.
National team career
In August 2002, Maruyama was elected Japan U-20 national team for 2002 U-19 World Championship. In October, she was elected Japan national team for 2002 Asian Games. At this competition, on October 2, she debuted against North Korea. She played in World Cup 2 times (2003 and 2011) and Summer Olympics 3 times (2004, 2008 and 2012). In the 2011 World Cup in Germany, she scored the only goal of the game, defeating the host country and taking Japan to its first ever semifinals of the tournament. At 2012 Summer Olympics, Japan won the silver medal. She played 79 games and scored 14 goals for Japan until 2014.
National team statistics
|Japan national team|
National team goals
- Champion (1): 2011
- Champion (1): 2008