The 12 year-old longhaired moggy has a growl rather than a meow and has registered 91 decibels.
That makes her FOUR times louder than the average cat - and well above the current official world record holder.
Despite her fearsome sound Bluey is said to have a gentle and loving nature.
But her carers at rehoming centre say she is being shunned by potential owners who are being put off by her noise.
