Yolanda Mangadil-Soemarno (born 30 July 1946) is a former tennis player.

[1] Born in North Sulawesi, Soemarno played Federation Cup tennis for Indonesia between 1976 and 1981.

She was the singles gold medalist at the 1977 Southeast Asian Games and won a team bronze medal at the 1978 Asian Games.

[2] Soemarno's son (Aga) and one of her daughters (Tanya) were both professional tennis players.

[3]