Velutheri Kesavan Vaidyar(1858–1896) was a Malayalam poet; Sanskrit scholar and Ayurveda physician from the state of Kerala, India.
Kesavan was a schoolmate, friend and follower of Sree Narayana Guru.
His literary output ranged from original poetry to adaptations and translations from prominent Sanskrit pieces and even attakkathas and prose like academic texts on grammar in Malayalam.
Velutheri House is situated in a serene residential locality named Thottam in Manacaud, a place close to Padmanabhaswamy Temple.
Mahopadhyaaya Vidwan Kunju Krishnan had authored and published a two-volume biographical work titled 'Vismritharaya Randu Vidwat Kavikal (Velutheriyum Perunnelliyum)' on the life and work of Velutheriyil Kesavan Vaidyar and his equally eminent contemporary; scholar; poet and dear friend Perunnelli Krishnan Vaidyar.