| CONGRESS | SENATOR | TERM BEGAN | TERM ENDED | COMMENTS |
| Class 1 |
| 62nd-64th | Thomas B. Catron (R) |
Mar.
27, 1912 |
Mar.
3, 1917 | |
| 65th-70th | Andrieus A. Jones (D) |
Mar.
4, 1917 |
Dec.
20, 1927 | Died |
| 70th | Bronson M. Cutting (R) |
Dec.
29, 1927 |
Dec.
6, 1928 | Appointed |
| 70th | Octaviano A. Larrazolo (R) |
Dec.
7, 1928 |
Mar.
3, 1929 | |
| 71st-74th | Bronson M. Cutting (R) |
Mar.
4, 1929 |
May
6, 1935 | Died |
| 74th-87th | Dennis Chavez (D) |
May
11, 1935 |
Nov.
18, 1962 | Appointed, then elected; died |
| 87th-88th | Edwin L. Mechem (R) |
Nov.
30, 1962 |
Nov.
3, 1964 | Appointed |
| 88th-94th | Joseph M. Montoya (D) |
Nov.
4, 1964 | Jan. 3, 1977 | |
| 95th-97th | Harrison H. Schmitt (R) | Jan. 3, 1977 | Jan. 3, 1983 | |
| 98th-112th | Jeff Bingaman (D) | Jan. 3, 1983 | Jan. 3, 2013 | |
| 113th- | Martin Heinrich (D) | Jan. 3, 2013 |
Present
| |
| Class 2 |
| 62nd-67th | Albert B. Fall (R) |
Mar.
27, 1912 |
Mar.
4, 1921 | Resigned |
| 67th-68th | Holm O. Bursum (R) |
Mar.
11, 1921 |
Mar.
3, 1925 | Appointed, then elected |
| 69th-73rd | Sam G. Bratton (D) |
Mar.
4, 1925 |
Jun.
24, 1933 | Resigned |
| 73rd-80th | Carl A. Hatch (D) |
Oct.
10, 1933 | Jan. 3, 1949 | Appointed, then elected |
| 81st-92nd | Clinton P. Anderson (D) | Jan. 3, 1949 | Jan. 3, 1973 | |
| 93rd-110th | Pete V. Domenici (R) | Jan. 3, 1973 | Jan. 3, 2009 | |
| 111th-116th | Thomas Udall (D) | Jan. 3, 2009 | Jan. 3, 2021 | |
| 117th- | Ben Ray Luján (D) | Jan. 3, 2021 |
Present
| |
