Thai Birth Certificate (ENG)

Thai Birth Certificate (ภาษาไทย)
  • A person born to a Thai parent (mother or legal father) acquires Thai Nationality by birth.
  • A parent of Thai nationality may apply for his or her child’s Birth Certificate in person at the Royal Thai Embassy, Consular Section between 9 am. to 12 pm. (EST) on Monday to Friday or by mail to Royal Thai Embassy, Consular Section : Address 2300 Kalorama Rd. NW, Washington, D.C. 20008.
    It is advised that all relevant documents are sent to in advance for verification.
Required Documents
1. Original U.S. Birth Certificate authenticated and sealed by the Department of State (Please see details on Authentication of U.S. Documents), and a copy

Step 1 : Secretary of State

Step 2 : Department of State

2. Two recent (2 x 2 inches) photographs of the child

3. In case of the U.S. Birth certificate does not have a hospital name and child’s weight. The applicant needs to get a certified letter from the hospital

4. Proof of your current address such as a utility bills

5. Original and or a copy of  Parent’s U.S. Passport or U.S. Driver license or State ID

6. Original and or a notarize signatures copy of Parent’s Thai National ID Card or Thai House registration with 13-digit ID.

7. Original and or a notarize signatures copy of Parent’s valid Thai passport

8. Original and or a notarize signatures copy of Parents’ Marriage Certificate (if applicable)

9. Completed* “Application of Birth Certificate Form” [Download]

10. Completed* “Application of Legalization Form” [Download]

11. Completed* “Testimony of the Mother Form” in case of a Non-Thai Father [Download]

12. Completed* “Testimony of Mother Form” in case that parents have not registered their marriage [Download]

13. Legalization Fee-Money order of $15.00 USD made payable to “Royal Thai Embassy”

14. Self-addressed return envelope by ‘USPS (US Postal Service) Priority Mail Express’ with $25.50 postage stamp

Advice on first and last names of the child
  • The child’s names in the Thai Birth Certificate must be the same (i.e. written in Thai as it is pronounced in English) as in the U.S. Birth Certificate
  • The child’s last name must be that of his legal father or mother. The spellings of such last name must follow the parent’s Thai document.
*All required forms and other information can be found at


Office Hours & Address

  • Chancery (1024 Wisconsin Ave NW Washington DC 20007)
    M - F 9:00 am - 12:30 pm
    & 2:00 pm - 5:00 pm
  • Consular Office (2300 Kalorama Rd NW Washington DC 20008)
    M - F 9:00 am - 12:00 pm

    Thai Embassy's Public Holiday

Upcoming Embassy’s Holidays

Thai Time/ U.S. Time



Since June 7th, 2015