Paddinjattedathu Chacko John (1875–1943) was an evangelist and Bible teacher from the Indian State of Kerala. Raised among the Saint Thomas Christians, he joined the Plymouth Brethren as an adult, and is regarded today as one of the pioneers of the Kerala Brethren.

• History of the Malankara Brethren Churches (Malankarayilae Verpadu Sabhakalude Charithram) by Mahakavi K.V. Simon, Chapter 16 Workers. Page 357–362 in the 1999 edition. This book was first published in November 1938 (Malayalam year 1114, Thulam), and republished by Sathyam Publications in Tiruvalla, Kerala, in February 1999.