Aemu Oyama (大山 愛笑, Ōyama Aemu, born 19 September 2004) is a Japanese professional footballer who plays as a midfielder for Women's Super League club Manchester City[4] and the Japan national under-20s team.

On 16 October 2021, Oyama made her WE League debut for Tokyo Verdy Beleza.

[7] In March 2022, she was ranked as one of the Top 20 international youth talents by Goal.com.

[8] On 18 January 2025, she signed a two and a half year contract with Women's Super League club Manchester City.

[2] Oyama gained a degree in Sports Science from Waseda University in Tokyo.