| FeltonRebecca L. Felton (D-GA) | 1922_1922_01922 |
| CarawayHattie W. Caraway (D-AR) | 1931_1945_0 1931–1945 |
| LongRose M. Long (D-LA) | 1936_1937_0 1936–1937 |
| GravesDixie B. Graves (D-AL) | 1937_1938_0 1937–1938 |
| PyleGladys Pyle (R-SD) | 1938_1929v 1938–1939 |
| BushfieldVera C. Bushfield (R-SD) | 1948_1948_0 1948 |
| SmithMargaret Chase Smith (R-ME) | 1949_1973_0 1949–1973 |
| BowringEva K. Bowring (R-NE) | 1954_1954_1 1954 |
| AbelHazel H. Abel (R-NE) | 1954_1954_2 1954 |
| NeubergerMaurine B. Neuberger (D-OR) | 1960_1967_0 1960–1967 |
| EdwardsElaine S. Edwards (D-LA) | 1972_1972_0 1972 |
| HumphreyMuriel B. Humphrey (D-MN) | 1978_1978_0 1978 |
| AllenMaryon P. Allen (D-AL) | 1978_1978_1 1978 |
| KassebaumNancy Kassebaum (Baker) (R-KS) | 1978_1997_0 1978–1997 |
| HawkinsPaula Hawkins (R-FL) | 1981_1987_0 1981–1987 |
| MikulskiBarbara A. Mikulski (D-MD) | 1987_2017_0 1987–2017 |
| BurdickJocelyn B. Burdick (D-ND) | 1992_1992_01992 |
| FeinsteinDianne Feinstein (D-CA) | 1992_2023_01992–2023 |
| BoxerBarbara Boxer (D-CA) | 1993_2017_0 1993–2017 |
| Moseley BraunCarol Moseley Braun (D-IL) | 1993_1999_1 1993–1999 |
| MurrayPatty Murray (D-WA) | 1993_present_0 1993–present |
| HutchisonKay Bailey Hutchison (R-TX) | 1993_2013_0 1993–2013 |
| SnoweOlympia J. Snowe (R-ME) | 1995_2013_0 1995–2013 |
| FrahmSheila Frahm (R-KS) | 1996_1996_0 1996 |
| LandrieuMary L. Landrieu (D-LA) | 1997_2015_0 1997–2015 |
| CollinsSusan M. Collins (R-ME) | 1997_present_01997–present |
| LincolnBlanche L. Lincoln (D-AR) | 1999_2011_0 1999–2011 |
| ClintonHillary R. Clinton (D-NY) | 2001_2009_0 2001–2009 |
| StabenowDebbie Stabenow (D-MI) | 2001_present_0 2001–present |
| CantwellMaria Cantwell (D-WA) | 2001_present_1 2001–present |
| CarnahanJean Carnahan (D-MO) | 2001_2002_0 2001–2002 |
| MurkowskiLisa Murkowski (R-AK) | 2002_present_0 2002–present |
| DoleElizabeth H. Dole (R-NC) | 2003_2009_0 2003–2009 |
| McCaskillClaire McCaskill (D-MO) | 2007_2019_0 2007–2019 |
| KlobucharAmy Klobuchar (D-MN) | 2007_present_0 2007–present |
| ShaheenJeanne Shaheen (D-NH) | 2009_present_0 2009–present |
| HaganKay Hagan (D-NC) | 2009_2015_0 2009–2015 |
| GillibrandKirsten E. Gillibrand (D-NY) | 2009_present_0 2009–present |
| AyotteKelly Ayotte (R-NH) | 2011_2017_0 2011–2017 |
| HironoMazie K. Hirono (D-HI) | 2013_present_0 2013–present |
| WarrenElizabeth Warren (D-MA) | 2013_present_1 2013–present |
| FischerDeb Fischer (R-NE) | 2013_present_2 2013–present |
| HeitkampHeidi Heitkamp (D-ND) | 2013_2019_0 2013–2019 |
| BaldwinTammy Baldwin (D-WI) | 2013_present_3 2013–present |
| CapitoShelley Moore Capito (R-WV) | 2015_present_0 2015–present |
| ErnstJoni Ernst (R-IA) | 2015_present_1 2015–present |
| Cortez MastoCatherine Cortez Masto (D-NV) | 2017_present_0 2017–present |
| DuckworthTammy Duckworth (D-IL) | 2017_present_1 2017–present |
| HarrisKamala D. Harris (D-CA) | 2017_2021 2017–2021 |
| HassanMargaret Wood Hassan (D-NH) | 2017_Preseent_3 2017–present |
| SmithTina Smith (D-MN) | 2018_present_02018–present |
| Hyde–SmithCindy Hyde-Smith (R-MS) | 2018_present_12018–present |
| BlackburnMarsha Blackburn (R-TN) | 2019_present_02019–present |
| RosenJacky Rosen (D-NV) | 2019_present_12019–present |
| SinemaKyrsten Sinema (I-AZ) | 2019_present_22019–present |
| McSallyMartha McSally (R-AZ) | 2019_20202019–2020 |
| LoefflerKelly Loeffler (R-GA) | 2020_20212020–2021 |
| LummisCynthia M. Lummis (R-WY) | 2021_present2021–present |
| BrittKatie Boyd Britt (R-AL) | 2023_present2023–present |
| ButlerLaphonza R. Butler (D-CA) | 2023_present_22023–present |
