Miki Oyama (大山 未希, Ōyama Miki, born October 3, 1985) was a Japanese volleyball player who played for Toray Arrows.

She is Kana Oyama's younger sister.

Toray announced that she will become a beach volleyball player.

• Seitoku Gakuen high school
• Toray Arrows (2004–2010)

• 2007 Domestic Sports Festival (Volleyball) - Champion, with Toray Arrows
• 2007-2008 Empress's Cup - Champion, with Toray Arrows
• 2007-2008 V.Premier League - Champion, with Toray Arrows
• 2008 Domestic Sports Festival - Runner-Up, with Toray Arrows
• 2008-2009 V.Premier League - Champion, with Toray Arrows
• 2009 Kurowashiki All Japan Volleyball Championship - Champion, with Toray Arrows
• 2009-2010 V.Premier League - Champion, with Toray Arrows
• 2010 Kurowashiki All Japan Volleyball Championship - Champion, with Toray Arrows

• Toray Arrows Women's Volleyball Team