Can A Girlfriend Be On My Health Insurance? 
No . A individual can only add their spouse and dependents to their health insurance plan . In states that acknowledge domestic partnerships and same sex marriages health insurers operating in such a state will honor those legally binding status ' of residents of that state . But in generally it is only one 's spouse , children , and in certain circumstances other individuals who are reported as dependent of the individual because they are severely disabled and unable to function in on a level where they would be able to take care of themselves . 