Can I apply for Unemployment Insurance if I'm not a US Citizen?

Unemployment benefits are a right of a worker and benefits paid into through paychecks etc. It is not considered as part of public charge: see USCIS Policy Manual:

https://www.uscis.gov/policy-manual/volume-8-part-g-chapter-10

Public Benefits Not Considered

1. Unenumerated Public Benefits

The following is a non-exhaustive list of public benefits that USCIS does not consider in the public charge inadmissibility determination as they are considered earned benefits:

1. Federal Old-Age, Survivors, and Disability Insurance Social Security benefits (SSDI);

2. Social Security;

3. Veteran’s benefits including but not limited to HUD-VASH, and medical treatment through the Veteran’s Health Administration;

4. Government (including federal and state) pension benefits and healthcare;

5. Unemployment benefits;

6. Worker’s compensation;

7. Medicare; or

8. Federal and state disability insurance.

For additional information on work related benefits for non-citizens (including the undocumented) please see the following info and remember anyone with authorization to work is eligible for unemployment benefits:

https://legalaidatwork.org/factsheet/undocumented-workers-employment-rights/