Karumanaseri Narayanaiyer Ananthapadmanabhan (born 8 September 1969) is an Indian former first-class cricketer from the state of Kerala. He played for the India "A" national team in international cricket and for South Zone and Kerala in Indian domestic cricket. He is the former captain of Kerala state Ranji trophy team. He now serves as an umpire at the first-class level and officiates in all the major domestic cricket tournaments in India, including the Ranji Trophy and Indian Premier League. In August 2020, Ananthapadmanabhan was promoted to the International Panel of ICC Umpires.