Stoyanka Kurbatova (née Gruycheva, , born 18 March 1955) is a Bulgarian rower and Olympic champion.
She was born in Plovdiv.
Kurbatova, competing under her maiden name Gruycheva, became Olympic champion in 1976 in the coxless pairs event, with Siyka Kelbecheva. In 1980, she received a bronze medal in the same competition.