2018 Legislators
| Last Name | First Name | Chamber | Party | State | Rating | Taxpayer Category |
|---|---|---|---|---|---|---|
| Joyce | David | House | R | Ohio | 72 | Friendly |
| Kaptur | Marcy | House | D | Ohio | 2 | Hostile |
| Katko | John | House | R | New York | 55 | Lukewarm |
| Keating | William | House | D | Massachusetts | 6 | Hostile |
| Kelly | Robin | House | D | Illinois | 2 | Hostile |
| Kelly | Trent | House | R | Mississippi | 87 | Taxpayer Hero |
| Kelly | Mike | House | R | Pennsylvania | 76 | Friendly |
| Kennedy | Joseph | House | D | Massachusetts | 6 | Hostile |
| Khanna | Ro | House | D | California | 4 | Hostile |
| Kihuen | Ruben | House | D | Nevada | 7 | Hostile |
| Kildee | Dan | House | D | Michigan | 2 | Hostile |
| Kilmer | Derek | House | D | Washington | 7 | Hostile |
| Kind | Ron | House | D | Wisconsin | 20 | Unfriendly |
| King | Peter | House | R | New York | 62 | Friendly |
| King | Steve | House | R | Iowa | 85 | Taxpayer Hero |
| Kinzinger | Adam | House | R | Illinois | 76 | Friendly |
| Knight | Steve | House | R | California | 80 | Taxpayer Hero |
| Krishnamoorthi | Raja | House | D | Illinois | 5 | Hostile |
| Kuster | Ann McLane | House | D | New Hampshire | 14 | Hostile |
| Kustoff | David | House | R | Tennessee | 90 | Taxpayer Hero |
| Labrador | Raul | House | R | Idaho | 100 | Taxpayer Super Hero |
| LaHood | Darin | House | R | Illinois | 87 | Taxpayer Hero |
| LaMalfa | Doug | House | R | California | 80 | Taxpayer Hero |
| Lamb | Conor | House | D | Pennsylvania | 21 | Unfriendly |
| Lamborn | Doug | House | R | Colorado | 93 | Taxpayer Hero |
| Lance | Leonard | House | R | New Jersey | 51 | Lukewarm |
| Langevin | Jim | House | D | Rhode Island | 4 | Hostile |
| Larsen | Rick | House | D | Washington | 9 | Hostile |
| Larson | John | House | D | Connecticut | 2 | Hostile |
| Latta | Bob | House | R | Ohio | 91 | Taxpayer Hero |
| Lawrence | Brenda | House | D | Michigan | 4 | Hostile |
| Lawson | Al | House | D | Florida | 9 | Hostile |
| Lee | Barbara | House | D | California | 7 | Hostile |
| Lesko | Debbie | House | R | Arizona | 98 | Taxpayer Hero |
| Levin | Sander | House | D | Michigan | 2 | Hostile |
| Lewis | John | House | D | Georgia | 2 | Hostile |
| Lewis | Jason | House | R | Minnesota | 89 | Taxpayer Hero |
| Lieu | Ted | House | D | California | 12 | Hostile |
| Lipinski | Daniel | House | D | Illinois | 15 | Hostile |
| LoBiondo | Frank | House | R | New Jersey | 58 | Lukewarm |
| Loebsack | Dave | House | D | Iowa | 7 | Hostile |
| Lofgren | Zoe | House | D | California | 6 | Hostile |
| Long | Billy | House | R | Missouri | 85 | Taxpayer Hero |
| Loudermilk | Barry | House | R | Georgia | 98 | Taxpayer Hero |
| Love | Mia | House | R | Utah | 81 | Taxpayer Hero |
| Lowenthal | Alan | House | D | California | 4 | Hostile |
| Lowey | Nita | House | D | New York | 2 | Hostile |
| Lucas | Frank | House | R | Oklahoma | 80 | Taxpayer Hero |
| Luetkemeyer | Blaine | House | R | Missouri | 82 | Taxpayer Hero |
| Lujan | Ben Ray | House | D | New Mexico | 7 | Hostile |