The United States Senate librarian is the chief librarian of the United States Senate Library. The Senate librarian reports to the secretary of the United States Senate.^[1] The current librarian is Meghan Dunn.^[2]

No.	Image	Librarian	Term	Notes
1		George S. Wagner	July 1, 1871—1875	[3]
2		George F. Dawson	1875—1879	[3]
3		P. J. Pierce	1879—1884	[3]
4		George M. Weston	1884—1887	[3]
5		Alonzo W. Church	1887—1901	[3]
–		James M. Baker (acting)	1898—1901	[3]
–		Cliff Warden (acting)	1901—1904	[3]
–		James M. Baker (acting)	1904	[3]
–		Edward C. Goodwin (acting)	1904—1906	[3]
6		Edward C. Goodwin	1906—1921	[3]
7		Walter P. Scott	1921—1923	[3]
8		Edward C. Goodwin	1923—1930	[3]
9		James D. Preston	1931—1935	[3]
10		Ruskin McArdle	1935—1947	[3]
11		George W. Straubinger	1947—1951	[3]
12		Richard D. Hupman	1951—1953	[3]
13		Sterling Dean	1953—1954	[3]
–		Richard D. Hupman (acting)	1954	[3]
14		Gus J. Miller	1954—1955	[3]
15		Richard D. Hupman	1955—1973	[3][4]
16		Roger K. Haley	1973—1997
17		Greg Harness	1997—January 31, 2008	[5]
18		Mary E. Cornaby	2008—2009
19		Leona I. Faust	2009—June 22, 2022	died in office[6]
20		Meghan Dunn	June 23, 2022—present	[2]