| State | State Licensing Board or Department | State Licensing Requirements | Notes |
|---|---|---|---|
| Alabama | Not determined | ||
| Alaska | Meets Requirements | Respiratory Therapists are not required to be licensed at this time | |
| American Samoa | Not determined | ||
| Arizona | Meets Requirements | ||
| Arkansas | Not determined | ||
| California | Meets requirements | ||
| Colorado | Meets requirements | ||
| Connecticut | Not determined | ||
| Delaware | Not determined | ||
| District of Columbia | Not determined | ||
| Federated States of Micronesia | Not determined | ||
| Florida | Not determined | ||
| Georgia | Not determined | ||
| Guam | Not determined | ||
| Hawaii | Meets requirements | ||
| Idaho | Meets requirements | ||
| Illinois | Not determined | ||
| Indiana | Not determined | ||
| Iowa | Not determined | ||
| Kansas | Not determined | ||
| Kentucky | Not determined | ||
| Louisiana | Not determined | ||
| Maine | Not determined | ||
| Maryland | Not determined | ||
| Massachusetts | Not determined | ||
| Michigan | Not determined | ||
| Minnesota | Not determined | ||
| Mississippi | Not determined | ||
| Missouri | Not determined | ||
| Montana | Meets requirements | ||
| Nebraska | Not determined | ||
| Nevada | Meets requirements | ||
| New Hampshire | Not determined | ||
| New Jersey | Not determined | ||
| New Mexico | Meets requirements | ||
| New York | Not determined | ||
| North Carolina | Not determined | ||
| North Dakota | Meets requirements | ||
| Northern Mariana Islands | Not determined | ||
| Ohio | Not determined | ||
| Oklahoma | Not determined | ||
| Oregon | Meets requirements | ||
| Pennsylvania | Not determined | ||
| Puerto Rico | Not determined | ||
| Republic of Palau | Not determined | ||
| Republic of the Marshall Islands | Not determined | ||
| Rhode Island | Not determined | ||
| South Carolina | Not determined | ||
| South Dakota | Meets requirements | ||
| Tennessee | Not determined | ||
| Texas | Not determined | ||
| US Virgin Islands | Not determined | ||
| Utah | Meets requirements | ||
| Vermont | Not determined | ||
| Virginia | Not determined | ||
| Washington | Meets requirements | ||
| West Virginia | Not determined | ||
| Wisconsin | Not determined | ||
| Wyoming | Meets requirements |
