McKinlock Hall is a historic building located on the campus of Harvard University in Cambridge, Massachusetts. It was built in 1925 and named after William McKinlock, a former professor of mathematics at Harvard. The building was designed by architect Coolidge, Shepley, Bulfinch, and Abbott in the Georgian Revival style, which was popular in the early 20th century.

The building served as a dormitory for undergraduate students until 2018, when it was converted into a graduate student residence. It is home to approximately 200 graduate students and features a variety of amenities, including study lounges, a fitness center, and a courtyard.

McKinlock Hall is notable for its architectural features, including its symmetrical facade, red brick construction, and white trim. The building also features a grand entrance hall with a sweeping staircase and a formal dining room with wood paneling and a fireplace.

In addition to its architectural significance, McKinlock Hall has played a role in the history of Harvard University. During World War II, the building was used as a barracks for Navy officers. In the 1960s, it was the site of protests against the Vietnam War, with students occupying the building to demand an end to the conflict.

Overall, McKinlock Hall is an important part of the history and culture of Harvard University. Its architectural beauty and historical significance make it a cherished landmark on campus.