Yes, in some cases, undocumented immigrants can still apply for a green card, but it depends on how they entered and their circumstances.

Marriage to a U.S. citizen is the most common path—if entered legally, adjustment of status is possible even if currently undocumented.

 Victims of abuse spouse or child of U.S. citizens may qualify under VAWA, even if undocumented.

Some may qualify under employment-based green cards with special protections like U visa, T visa, or asylum.