Ormsin Chivapruck (Thai: ออมสิน ชีวะพฤกษ์; born 1 April 1951) is a Thai civil servant and politician who served as Minister to the Office of the Prime Minister in the Cabinet of Thailand from 16 December 2016 to 24 November 2017.^[1] He is a former President of Thailand Post.^[2]

Ormsin was born on 1 April 1951 in Pathum Thani Province. He graduated high school level from Wat Hong Pathummawat School and then Bachelor of Economics from Aligarh Muslim University, India and Master of Business Administration from Kasetsart University continuous the Advanced Management Program from Harvard University, USA.

He used to work under the Communications Authority of Thailand (CAT), holding the highest position as Deputy Governor of the Communications Authority of Thailand. Later, he was appointed Senior Vice President of Finance and thereafter President of the Thai Post Company Limited (TP) from 2007 to 2011.^[3]

After the coup in Thailand in 2014, under government administration of National Council for Peace and Order, he was appointed Chairman of the State Railway of Thailand. In August 2015, he was appointed Deputy Minister of Transport in the government of Prayut Chan-o-cha. In December 2016, he was appointed as Minister for the Office of the Prime Minister.^[4]