Nicholas Sarwark (born August 27, 1979) is an American businessman and politician.
Sarwark is the chairman of the Libertarian National Committee (LNC), the executive body of the Libertarian Party (LP) of the United States. Prior to his election to that position in 2014, he served on several of the LP's national committees, as well as chair of the Libertarian Party of Maryland, and as vice chair of the Libertarian Party of Colorado.
Sarwark ran for Mayor of Phoenix in the 2018 mayoral election.