QT Imaging Holdings, Inc.

c/o DLA Piper LLP (US)

555 Mission Street, Suite 2400

San Francisco, California 94105-2933

(415) 615-6035

December 29, 2025

Via EDGAR

U.S. Securities and Exchange Commission

Division of Corporation Finance

Office of Industrial Applications and Services

100 F Street, NE

Washington, DC 20549

			Re:			QT Imaging Holdings, Inc.
						Registration Statement on Form S-1, as amended
						File No. 333-291237
						Acceleration Request

Ladies and Gentlemen:

Pursuant to Rule 461 promulgated under the Securities Act of 1933, as amended, QT Imaging Holdings, Inc. hereby requests that the effectiveness of the above-referenced Registration Statement be accelerated so that such Registration Statement will become effective at 4:00 p.m., Eastern Time, on Wednesday, December 31, 2025, or as soon thereafter as practicable.

Please notify Jeffrey Selman, counsel to the Company, at (415) 615-6035, as soon as the Registration Statement has been declared effective, or if you have any other questions or concerns regarding this matter.

Sincerely,
/s/ Dr. Raluca Dinu
Name: Dr. Raluca Dinu
Title: Chief Executive Officer