| 72 (LXXII) | Ayotte, KellyKelly Ayotte | New Hampshire | R | 20112011–2017 |
16 (XVI)
19 (XIX) | Baldwin, TammyTammy Baldwin | Wisconsin | D | 20132013–present |
| 76 (LXXVI) | Blackburn, MarshaMarsha Blackburn | Tennessee | R | 20192019–present |
22 (XXII)
46 (XLVI) | Bowring, Eva K.Eva K. Bowring | Nebraska | R | 19541954 |
3 (III)
4 (IV)
12 (XII)
26 (XXVI)
56 (LVI)
68 (LXVIII)
97 (XCVII)
99 (XCIX) | Boxer, BarbaraBarbara Boxer | California | D | 19931993–2017 |
| 40 (XL) | Boyd Britt, KatieKatie Boyd Britt | Alabama | R | 20232023–present |
| 14 (XIV) | Burdick, Jocelyn B.Jocelyn B. Burdick | North Dakota | D | 19921992 |
| 5 (V) | Butler, Laphonza R.Laphonza R. Butler | California | D | 20232023–present |
5 (V)
39 (XXXIX) | Cantwell, MariaMaria Cantwell | Washington | D | 20012001–present |
1 (I)
73 (LXXIII) | Capito, Shelley MooreShelley Moore Capito | West Virginia | R | 20152015–present |
38 (XXXVIII)
46 (XLVI)
61 (LXI) | Caraway, Hattie W.Hattie W. Caraway | Arkansas | D | 19311931–1945 |
| 37 (XXXVII) | Carnahan, JeanJean Carnahan | Missouri | D | 20012001–2002 |
| 87 (LXXXVII) | Clinton, Hillary RodhamHillary R. Clinton | New York | D | 20012001–2009 |
27 (XXVII)
34 (XXXIV)
35 (XXXV)
54 (LIV) | Collins, Susan M.Susan M. Collins | Maine | R | 19971997–present |
46 (XLVI)
62 (LXII) | Cortez Masto, CatherineCatherine Cortez Masto | Nevada | D | 20172017–present |
| 68 (LXVIII) | Dole, ElizabethElizabeth H. Dole | North Carolina | R | 20032003–2009 |
| 24 (XXIV) | Duckworth, TammyTammy Duckworth | Illinois | D | 20172017–present |
| 43 (XLIII) | Edwards, Elaine S.Elaine S. Edwards | Louisiana | D | 19721972 |
| 92 (XCII) | Ernst, JoniJoni Ernst | Iowa | R | 20152015–present |
5 (V)
17 (XVII)
26 (XXVI)
42 (XLII)
72 (LXXII)
84 (LXXXIV) | Feinstein, DianneDianne Feinstein | California | D | 19921992–2023 |
| 48 (XLVIII) | Felton, Rebecca L.Rebecca L. Felton | Georgia | D | 19221922 |
7 (VII)
54 (LIV)
81 (LXXXI) | Fischer, DebDeb Fischer | Nebraska | R | 20132013–present |
| 92 (XCII) | Frahm, SheilaSheila Frahm | Kansas | R | 19961996 |
| 87 (LXXXVII) | Gillibrand, Kirsten E.Kirsten E. Gillibrand | New York | D | 20092009–present |
55 (LV)
72 (LXXII) | Graves, Dixie B.Dixie B. Graves | Alabama | D | 19371937–1938 |
12 (XII)
21 (XXI)
42 (XLII) | Hagan, Kay R.Kay Hagan | North Carolina | D | 20092009–2015 |
| 97 (XCVII) | Harris, Kamala D.Kamala D. Harris | California | D | 20172017–2021 |
| 13 (XIII) | Hassan, Margaret WoodMargaret Wood Hassan | New Hampshire | D | 20172017–present |
62 (LXII)
68 (LXVIII) | Hawkins, PaulaPaula Hawkins | Florida | R | 19811981–1987 |
25 (XXV)
97 (XCVII) | Heitkamp, HeidiHeidi Heitkamp | North Dakota | D | 20132013–2019 |
| 71 (LXXI) | Hirono, Mazie K.Mazie K. Hirono | Hawaii | D | 20132013–present |
4 (IV)
97 (XCVII) | Humphrey, Muriel B.Muriel B. Humphrey | Minnesota | D | 19781978 |
4 (IV)
20 (XX)
35 (XXXV)
70 (LXX)
89 (LXXXIX) | Hutchison, Kay BaileyKay Bailey Hutchison | Texas | R | 19931993–2013 |
| 8 (VIII) | Hyde-Smith, CindyCindy Hyde-Smith | Mississippi | R | 20182018–present |
| 98 (XCVIII) | Kassebaum, Nancy LandonNancy Kassebaum (Baker) | Kansas | R | 19781978–1997 |
11 (XI)
12 (XII)
97 (XCVII) | Klobuchar, AmyAmy Klobuchar | Minnesota | D | 20072007–present |
18 (XVIII)
65 (LXV)
96 (XCVI) | Landrieu, Mary L.Mary L. Landrieu | Louisiana | D | 19971997–2015 |
4 (IV)
38 (XXXVIII) | Lincoln, Blanche L.Blanche L. Lincoln | Arkansas | D | 19991999–2011 |
| 35 (XXXV) | Loeffler, KellyKelly Loeffler | Georgia | R | 20202020–2021 |
| 18 (XVIII) | Long, Rose M.Rose M. Long | Alabama | D | 19361936–1937 |
7 (VII)
53 (LIII) | Lummis, Cynthia M.Cynthia M. Lummis | Wyoming | R | 20212021–present |
| 37 (XXXVII) | McCaskill, ClaireClaire McCaskill | Missouri | D | 20072007–2019 |
| 72 (LXXII) | McSally, MarthaMartha McSally | Arizona | R | 20192019–2020 |
5 (V)
24 (XXIV)
41 (XLI)
45 (XLV)
68 (LXVIII)
97 (XCVII) | Mikulski, Barbara A.Barbara A. Mikulski | Maryland | D | 19871987–2017 |
65 (LXV)
72 (LXXII) | Moseley Braun, CarolCarol Moseley Braun | Illinois | D | 19931993–1999 |
38 (XXXVIII)
77 (LXXVII) | Murkowski, LisaLisa Murkowski | Alaska | R | 20022002–present |
4 (IV)
12 (XII)
20 (XX)
61 (LXI)
62 (LXII)
87 (LXXXVII)
97 (XCVII)
99 (XCIX) | Murray, PattyPatty Murray | Washington | D | 19931993–present |
20 (XX)
96 (XCVI) | Neuberger, Maurine B.Maurine B. Neuberger | Oregon | D | 19601960–1967 |
| 94 (XCIV) | Rosen, JackyJacky Rosen | Nevada | D | 20192019–present |
29 (XXIX)
72 (LXXII) | Shaheen, JeanneJeanne Shaheen | New Hampshire | D | 20092009–present |
| 25 (XXV) | Sinema, KyrstenKyrsten Sinema | Arizona | D, I | 20192019–present |
1 (I)
30 (XXX) | Smith, Margaret ChaseMargaret Chase Smith | Maine | R | 19491949–1973 |
| 12 (XII) | Smith, TinaTina Smith | Minnesota | D | 20182018–present |
27 (XXVII)
57 (LVII) | Snowe, OlympiaOlympia J. Snowe | Maine | R | 19961996–2013 |
17 (XVII)
21 (XXI)
22 (XXII)
56 (LVI) | Stabenow, DebbieDebbie Stabenow | Michigan | D | 20012001–present |
62 (LXII)
83 (LXXXIII) | Warren, ElizabethElizabeth Warren | Massachusetts | D | 20132013–present |
