Koorogi '73 (こおろぎ'73, Kōrogi Nanajū-san) were a Japanese backing vocals group best known for their contributions to the Super Robot series and Toei's Super Sentai and Kamen Rider Series. The group was disbanded after 1990.

Koorogi '73
Origin Japan
GenresJ-pop
Years active1972–1990
Past membersSeitake Okura
Hiroki Ueno
Takafumi Tsushima
Masaki Sato
Tatsuya Kishi
Takayuki Maki

The Japanese word kōrogi (こおろぎ) means "a cricket."

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