Mizutani Etsuko

 is a former Japanese idol singer. Her real name is Sekiya Yasuko (関谷靖子).

She began her singing career after winning on Star Tanjo! However, she ended her career only a year later.

Singles

 * [1982.05.21] Kirari・Namida (キラリ・涙)
 * [1982.09.21] Mebae (芽ばえ)
 * [1983.01.01] Heart ji kake no Present (ハートじかけのプレゼント)

Album

 * [1982.07.21] Hatsukoi (初恋)