The Washington Legal Foundation (WLF) is a non-profit legal organization located at 2007-2009 Massachusetts Avenue NW, on Embassy Row in Washington, D.C. Founded in 1977, the Foundation's stated goal is "to defend and promote the principles of freedom and justice." The organization promotes pro-business and free-market positions and is widely perceived as conservative.

Embassy Row is the informal name for a section of Northwest Washington, D.C., with a high concentration of embassies, diplomatic missions, and diplomatic residences. It spans Massachusetts Avenue N.W. between 18th and 35th street, bounded by Scott Circle to the south and the United States Naval Observatory to the north; the term is often applied to nearby streets and neighborhoods that also host diplomatic buildings, such as Kalorama.