Williams & Connolly LLP is a prominent litigation firm based in Washington, D.C., United States. It is ranked as the top law firm in Washington, D.C., leads the country in starting salaries for first-year associates, and is the most difficult law firm to be hired at in the United States. Williams & Connolly is the subject of Masters of the Game: Inside the World's Most Powerful Law Firm by Kim Eisler.