Rohrabacher genopstillede til Repræsentanternes Hus ved valget i 2018 men tabte til [[Demokratiske parti (USA)|demokraten]] [[Harley Rouda]].<ref name=":1">{{cite news |url=https://www.politico.com/story/2018/11/10/rouda-defeats-rohrabacher-in-southern-california-race-982946|title=Rouda defeats Rohrabacher in southern California|author=Quint Forgey|date=10. november 2018|work=[[Politico]]}}</ref><ref>{{Cite news|url=https://www.latimes.com/business/hiltzik/la-fi-hiltzik-voters-cal-20181130-story.html|title=California Republicans see what happens when more voters vote, and they don't like it one bit|last=Hiltzik|first=Michael|date=30. november 2018|access-date=2018-12-03|newspaper=[[Los Angeles Times]]}}</ref> Han var det længstsiddende medlem af Huset som tabte ved et genvalg i 2018.<ref>{{Cite web | url=https://ballotpedia.org/Incumbents_defeated_in_2018_congressional_elections#California |title = Incumbents defeated in 2018 congressional elections}}</ref> Rohrabacher har udtrykt stærke pro-russiske og pro-Putin synspunkter,<ref>{{Cite news|url=https://www.nytimes.com/2017/11/21/us/politics/dana-rohrabacher-putin-trump-kremlin-under-fire.html|title=A Kremlin Defender in Congress Finds Challenges on All Sides|last=Fandos|first=Nicholas|date=2017-11-21|work=The New York Times|access-date=2017-11-21|language=en-US|issn=0362-4331}}</ref><ref name=wsj20170915>Byron Tau, Peter Nicholas and Siobhan Hughes, September 15, 2017, ''The Wall Street Journal'', [https://www.wsj.com/articles/gop-congressman-sought-trump-deal-on-wikileaks-russia-1505509918 GOP Congressman Sought Trump Deal on WikiLeaks, Russia], Retrieved September 23, 2017</ref> som har rejst spørgsmål om hans relation til [[Vladimir Putin]] og den [[Rusland|russiske]] regering.<ref name=twsNYT4848>Jonathan Weisman, March 28, 2014, ''The New York Times'', [https://www.nytimes.com/2014/03/29/us/politics/kremlin-finds-a-defender-in-congress.html Kremlin Finds a Defender in Congress], Retrieved August 1, 2017, "...{{nbsp}}There is some logic to Mr. Rohrabacher's stalwart defense of the Kremlin's actions. The people of Crimea{{nbsp}}..."</ref>
Levende_personer