Panniyampally Krishnankuty Warrier (5 June 1921 – 10 July 2021) was an Indian Ayurveda practitioner.

[3] He was the youngest nephew of Vaidyaratnam P. S. Varier, the founder of Arya Vaidya Sala.

Panniyampally Krishnankuty Warrier was born on 5 June 1921 in Kottakkal, Malabar District.

His parents were Thalappanna Sreedharan Namboothiri and Panniyampally Kunchi Varasyar.

He wrote and published several research papers in ethnopharmacology and Ayurveda and co-authored the five volume treatise Indian Medicinal Plants – A Compendium of 500 Species.