Liu Chien-sin

{{Short description|Taiwanese politician}}

{{family name hatnote|Liu|lang=Chinese}}

{{Infobox officeholder

| name = Liu Chien-sin

| native_name = {{nobold|劉建忻}}

| image = 劉建忻秘書長.jpg

| caption = Official portrait, 2016

| office = 21st Secretary-General of the Examination Yuan

| term_start = 1 September 2020

| term_end =

| president = Huang Jong-tsun

| deputy =

| predecessor = Lee Jih-shyuan

| successor =

| office1 = Acting Secretary-General to the President

| president1 = Tsai Ing-wen

| term_start1 = 2 August 2020

| term_end1 = 3 August 2020

| deputy1 =

| predecessor1 = Su Jia-chyuan

| successor1 = David Lee

| president2 = Tsai Ing-wen

| deputy2 = Yao Jen-to

| term_start2 = 26 February 2018

| term_end2 = 20 April 2018

| predecessor2 = Joseph Wu

| successor2 = Chen Chu

| president3 = Tsai Ing-wen

| deputy3 = Yao Jen-to

| term_start3 = 20 October 2016

| term_end3 = 17 May 2017

| predecessor3 = Lin Bih-jaw

| successor3 = Joseph Wu

| order4 =

| office4 = Deputy Secretary-General to the President

| president4 = Tsai Ing-wen

| 1blankname4 = Secretary-General

| 1namedata4 = Chen Chu
Su Jia-chyuan

| term_start4 = 21 April 2018

| term_end4 = 2 August 2020

| president5 = Tsai Ing-wen

| 1blankname5 = Secretary-General

| 1namedata5 = Joseph Wu

| term_start5 = 22 May 2017

| term_end5 = 25 February 2018

| alongside5 = Yao Jen-to

| president6 = Tsai Ing-wen

| 1blankname6 = Secretary-General

| 1namedata6 = Lin Bih-jaw

| term_start6 = 20 May 2016

| term_end6 = 19 October 2016

| alongside6 = Tseng Hou-jen

| birth_date = {{birth-date and age|8 June 1968}}

| birth_place =

| nationality = Taiwanese

| party = 25px Democratic Progressive Party

| spouse =

| children =

| signature =

| education = National Taiwan University (BA)
Georgetown University (MA)

}}

{{Infobox person

| module = {{Infobox Chinese|child=yes|hide=yes|t=劉建忻|poj=Lâu Kiàn-him|p= Liú Jiànxīn}}

}}

Liu Chien-sin or Jason Liu ({{zh|t=劉建忻|s=刘建忻|first=t|poj=Lâu Kiàn-him|p=Liú Jiànxīn}}; born 8 June 1968) is a Taiwanese politician who currently served as the secretary-general of the Examination Yuan since 2020.{{cite web|url=https://www.chinatimes.com/realtimenews/20200901002388-260407?chdtv|title=接考試院秘書長 劉建忻：全力輔佐院長|publisher=chinatimes.com|date=1 September 2020|accessdate=1 September 2020|language=zh-hant}}

He was appointed as the Deputy Secretary-General to the President on 21 April 2018,{{cite web|url=https://english.president.gov.tw/Default.aspx?tabid=466|title=Deputy Secretaries-General to the President|publisher=}}{{Cite web|url=https://focustaiwan.tw/news/aipl/201610190019.aspx|title = NSB head, Presidential Office secretary-general resign - Focus Taiwan}} and the acting Secretary-General to the President on three occasions the latest being on 2 August 2020.{{cite web|url=https://www.chinatimes.com/realtimenews/20200802002316-260407|title=蘇嘉全請辭總統府秘書長獲准 聲明全文曝光|website=chinatimes.com|date=2 August 2020|accessdate=2 August 2020|language=zh-hant}} He served short tenures for each appointment.