Diego Alfredo Paulsen Kehr^[1][2] (born 1 August 1987) is a Chilean politician who served as the President of the Chamber of Deputies^[3] from 2020 to 2022, and as has been a member of the Chamber of Deputies since 2020, representing District 22 of Araucanía.^[4]

He is the youngest person to hold the position of President of the Chamber of Deputies, being elected in April 2020 at the age of 32.^[5] As President of the Chamber of Deputies, Paulsen is third in the presidential line of succession, after the Minister of the Interior and Public Security and the President of the Senate.^[6]

Paulsen was first elected to Congress in 2013 representing District 49 of Araucanía and then reelected in 2017 representing the newly created District 22. He is a member of the liberal conservative National Renewal Party.

Paulsen was born in Temuco to a family of Danish and German descent. He graduated from Adolfo Ibáñez University with a law degree and earned a postgraduate diploma in law and parliamentary administration at the Pontifical Catholic University of Valparaíso.

Paulsen worked as a legal consultant for various businesses from 2007 to 2012. In 2012, he began working as a consultant for National Renewal's parliamentary committee. The following year, Paulsen won the primaries and became a congressional candidate for the 49th district of the Araucanía Region. Paulsen was elected with 26.26% of the votes and began his term as a member of the Chamber of Deputies in 2014.

Paulsen presided an investigative commission regarding the University of Art & Social Sciences (ARCIS) and its accreditation process.^[7] He was also part of an investigative commission regarding public spending on primary health care and hospital infrastructure.^[8]

In 2017, he was reelected to the Chamber of the Deputies representing the 22nd district of the Araucanía Region.