Georgetown University Library

The library's largest building, the Joseph Mark Lauinger Memorial Library, is located on Georgetown's main campus and holds the majority of the library system's collections.

Blommer Science Library is located in the Reiss Science building, on Georgetown's main campus. It stores materials for undergraduate and graduate study in biology, chemistry, computer science, mathematics, and physics.

The Woodstock Theological Library is one of the oldest Catholic theological libraries in the United States, having been founded in 1869. The library moved to Georgetown in 1974, accompanying the Woodstock Theological Center, which closed in 2013, although the library remains in existence.

The School of Continuing Studies Downtown Library opened with the move of Georgetown's School of Continuing Studies to a new Downtown campus in 2013. The library offers course reserve materials and provides a pickup location for materials from other libraries.

The Bioethics Research Library is located on the first floor of Healy Hall.

Dahlgren Memorial Library provides information and digital services and resources to support faculty, staff, and students of the Georgetown University Medical Center.

Riggs Memorial Library served as the main library of Georgetown between 1891 and 1970, until it was replaced by Lauinger Library. Riggs library, which is located on the third floor of Healy Hall, is one of the few existing cast-iron libraries in the country and still serves its original purpose of storing books.

The Williams Law Library is the main library of the Georgetown University Law Center.

The Wolff International and Comparative Law Library is housed separately from the Williams Law Library in the Hotung International Law Center Building. Its collection focuses on primary and secondary foreign sources, with materials from Australia, Canada, France, Germany, Great Britain, Ireland, Mexico, New Zealand, Scotland, and South Africa, and other nations. It also has extensive documents from international organizations including the Permanent Court of International Justice, the League of Nations, the United Nations, European Union, International Court of Justice, World Trade Organization, GATT, and the Council of Europe.

The James Reardon-Anderson Library (formerly SFS-Q Library) offers online access to more than 2 million scholarly resources and an intercampus loans service with Georgetown's library services in Washington DC. There is also an interlibrary loan services agreement with other universities on the Education City campus and with Qatar University. The Library houses over 90,000 books,[3] and over 6,000 multimedia items. The Library space is open to the public. As of 2016, over 650,000 members of the GU-Q community and the general public have visited the library since 2005.

The Maternal and Child Health Library was founded in 1982 and is part of the Georgetown's National Center for Education in Maternal and Child Health.