Columbia Law School (often referred to as Columbia Law or CLS) is a professional graduate school of Columbia University. Columbia Law is widely regarded as one of the most prestigious law schools in the world and has always ranked in the top five law schools in the United States by U.S. News and World Report. Columbia Law is especially well known for its strength in corporate law and its placement power in the nation's elite law firms.

Columbia Law School was founded in 1858 as the Columbia College Law School, and was known for its legal scholarship dating back to the 18th century. Graduates of the university's colonial predecessor, King's College, include such notable early-American legal figures as John Jay, the first chief justice of the United States, and Alexander Hamilton, the first Secretary of the Treasury, who were both co-authors of The Federalist Papers.

Columbia Law has produced many distinguished alumni, including US presidents Teddy Roosevelt and Franklin Delano Roosevelt; nine justices of the Supreme Court of the United States; numerous U.S. Cabinet members and presidential advisers; US senators; representatives; governors; and more members of the Forbes 400 than any other law school in the world.

According to Columbia Law School's 2019 ABA-required disclosures; 97.8 percent of the Class of 2018 obtained employment within ten months of graduation, with the 25th percentile, median, and 75th percentile starting salary for graduates all being $190,000] Since 2014, the law school has been ranked #1 on the National Law Journal's" Go to Law Schools ranking, which measures the percentage of graduates securing employment at the largest 100 law firms in the U.S.