Ai Ōtomo (大友 愛, Ōtomo Ai , born March 24, 1982) is a Japanese volleyball player. Her name before her divorce was Ai Yamamoto (山本 愛).
She competed at the 2004 Summer Olympics in Athens, Greece, wearing the number #13 jersey. She took fifth place with the Japan women's national team. She played as a middle-blocker.
In 2006, she was two months pregnant when she married Tatsuo Yamamoto, a professional beach volleyball player.
In 2008, Hisamitsu Springs announced that she would return to active duty.
In 2009, she moved to JT Marvelous.
In September 2011, due to a right knee injury, Japan Volleyball Association announced that she would not play in the World Cup.
At the 2012 Summer Olympics, she was part of the Japanese team that won the bronze medal in indoor women's volleyball.
In April 2013 JT Marvelous announced her retirement.
On 8 August 2013, Ai married Hiroyuki Akimoto who is a Judoka.
SendaiIkuei High SchoolNEC Red Rockets(2000–2006)Hisamitsu Springs (2008–2009)JT Marvelous (2009–2013)1999 Asian Youth Championship – Best server award2000 Asian Junior Championship – Server award2001 2000–01 V.Premier League – New face award2002 51st Kurowashiki All Japan Volleyball Championship – Best62005 54th Kurowashiki All Japan Volleyball Championship – Best62009 58th Kurowashiki All Japan Volleyball Tournament – Best62010 2009–10 V.Premier League – Best 62010 59th Kurowashiki All Japan Volleyball Tournament – Best62011 2010–11 V.Premier League – Best 62011 60th Kurowashiki All Japan Volleyball Tournament – MVP, Best62013 62nd Kurowashiki All Japan Volleyball Tournament – Best 62001 Kurowashiki All Japan Volleyball Championship – Champion, with NEC Red Rockets2002 8th V.League – Runner-Up, with NEC Red Rockets2003 9th V.League – Champion, with NEC Red Rockets2004 10th V.League – Champion, with NEC Red Rockets2008–09 V.Premier League – Runner-Up, with Hisamitsu Springs2009 58th Kurowashiki All Japan Volleyball Tournament – Runner-Up, with Hisamistu Springa2009–10 V.Premier League – Runner-Up, with JT Marvelous2010 59th Kurowashiki All Japan Volleyball Tournament – Runner-Up, with JT Marvelous2010–11 V.Premier League – Champion, with JT Marvelous2011 60th Kurowashiki All Japan Volleyball Tournament – Champion, with JT Marvelous2002 World Championship – 13th place2004 Summer Olympics – 5th place2010 World Championship – Bronze medal2011 Montreux Volley Masters – Champion2012: Bronze Medal in the Olympic Games of London2000 World Youth Championship – Champion
