This is a list of Congressional Candidates who have expressed support of Q.
Marjorie Taylor Greene
Republican candidate for Georgia's 14th congressional district. 
Has referred to Q as "someone that very much loves his country, and he's on the same page as us, and he is very pro-Trump." 
Republican candidate running for Colorado's 3rd congressional district. 
In the republican primary for the 3rd congressional district she beat five term congressman Scott Tipton, when asked about Q she gave a vague answer that can be read as conditional support for Q but allowing her to deny following it "Everything I heard of Q -- I hope that this is real because it only means America is getting stronger and better, and people are returning to conservative values, and that's what I am for." 
Republican candidate running for California's 35th congressional district.
As of August 2019 Mike has the hashtag "WWG1WGA" in his twitter bio.
Theresa Raborn is running for the 2nd Illinois congressional district.
Theresa promoted a video of former U.S. national security advisor Micheal Flynn (who features prominently in various Qanon theories) reciting the oath of office while tweeting the hashtag "WWG1WGA". When confronted asked about Q Theresa gave a non-comittale answer that it hadn't been "definitively debunk or definitively confirm." 
Running for California's 36th congressional district. 
Erin Cruz has stated about Q "I think that the biggest thing with QAnon is there's information coming out, And sometimes it is in line with what's going on in government. So when you ask me, do I know what QAnon is? Yes, but what is it to everybody else? That's the bigger thing."
Jo Rae Perkins
Republican candidate for one of Oregon's senate seat against incumbent Jeff Merkley. 
Has publicly supported Q on multiple occasions and has gone against her own campaigns efforts to distance her from Qanon. In a twitter Video she used the slogan "Where we go one we go all" and stated "I stand with President Trump. I stand with Q and the team. Thank you Anons and thank you patriots -- and together we can save our republic."