Arthur Boggess Culvahouse Jr. (born July 4, 1948) is an American attorney who served as the United States Ambassador to Australia from 2019 to 2021.

Culvahouse also served as counsel to Ronald Reagan in the last two years of his presidency, and was entrusted by John McCain and Donald Trump to vet their vice presidential candidates.

[4] From 1973 to 1976, Culvahouse was Chief Legislative Assistant/Counsel to Senator Howard H. Baker Jr.[4] He practiced law with O'Melveny & Myers from 1976 to 1984, and again from 1989 until 2018.

[4] As White House Counsel, he advised the President on matters ranging from Iran-Contra investigations, to the Supreme Court nominations of Robert Bork and Anthony Kennedy, to the legal aspects of the Intermediate-Range Nuclear Forces Treaty.

Culvahouse served as Bork's "handler" during his rejected Senate confirmation hearings for the Supreme Court.

[7][8] In 2009, Culvahouse defended his vetting in a speech to the Republican National Lawyers Association: Palin "had a lot of capacity.

[9] In May 2016, Donald Trump, the presumptive Republican presidential nominee, chose Culvahouse to head the search for his running mate.