Roaring Meg may refer to: Roaring Meg (cannon), any of several large siege cannon Mons Meg, a famous cannon at Edinburgh Castle Roaring Meg hydro scheme, a hydroelectric scheme on the Kawarau River in New Zealand Lower Roaring Meg power station Upper Roaring Meg power station Roaring Meg (Stevenage), a retail park in Stevenage, Hertfordshire, England Roaring Meg (waterfall), a waterfall in the Daintree National Park in North Queensland, Australia Tecomanthe burungu, also known as Roaring Meg Creek trumpet vine, a climbing plant from Queensland, Australia