Errabelli Dayakar Rao is an Indian politician who is the former Minister for Panchayat Raj and Rural Development, Rural Water Supply for Telangana state and former Member of the Telangana Legislative Assembly from Palakurthi constituency.

Errabelli represents Palakurthi constituency of Jangaon district in the Telangana Legislative Assembly.

Errabelli was also briefly a member of the 14th Lok Sabha for the Warangal constituency.

He contested a by-election for the seat in June 2008 when numerous members of the Bharat Rashtra Samiti(BRS)formerly Telangana Rashtra Samiti(TRS) resigned their seats in both the Parliament of India and the Andhra Pradesh Legislative Assembly in protest.

He defeated the sitting TRS politician, Dharavath Ravindra Naik, in the constituency.