Dwayne 'The Rock' Johnson Sits Down with U.S. Senators On Capitol Hill

Dwayne Johnson's getting acquainted with Capitol Hill, and while he's not not running for president -- or any other office, yet -- he IS taking meetings with U.S. senators to talk football and the military.

The Rock was in D.C. Wednesday for a sit-down with several top lawmakers, reportedly chopping it up about boosting recruitment in the Armed Forces, and the XFL ... which he owns.

Dwayne met with Senators Susan Collins, Dick Durbin, Lindsey Graham, Mark Kelly, Jon Tester and Todd Young ... along with his XFL CEO Dany Garcia.

Sen. Tester is the mastermind behind the meeting, and he told reporters Dwayne will advocate for folks to join the military. Sen. Collins had no qualms about fangirling…