Theeyaattam also known as Theeyaattu (Tīyāttu) is a traditional dance form performed by the peoples of Theeyaattunni and Thiyaadi Nambiar sub-castes of Ambalavasi community in Kerala of southwestern India. There were two types of Theeyaattam - Bhadrakali Theeyaattu and Ayyappan Theeyaattu. Bhadrakali Theeyattu is performed by Theeyaattunnis whereas Ayyappan Theeyaattu is performed by Tīyyādi Nambiars.