Company: NCL
Filing Date: 2025-11-20
Form Type: 424B3
Source: 0001575872-25-000706
Chunk: 0

Company: Northann Corp.
Filing Date: 2025-11-20
Form: 424B3
Chunk 0
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| Prospectus Supplement No. 2             | Filed pursuant to Rule 424(b)(3)      |
| (To Prospectus dated November 13, 2025) | Registration Statement No. 333-290562 |

<div align='center'>Northann Corp.</div>

This prospectus supplement
updates, amends and supplements the prospectus dated November 13, 2025 (the “Prospectus”), which forms a part of our Registration
Statement on Form S-1 (Registration No. 333-290562). Capitalized terms used in this prospectus supplement and not otherwise defined herein
have the meanings specified in the Prospectus.

This prospectus supplement
is solely being filed to update the Selling Stockholders table to reflect transfers, including gifts, of the resale of all of the Registered
Shares.

This prospectus supplement
is not complete without the Prospectus. This prospectus supplement should be read in conjunction with the Prospectus, which is to be delivered
with this prospectus supplement, and is qualified by reference thereto, except to the extent that the information in this prospectus supplement
updates or supersedes the information contained in the Prospectus. Please keep this prospectus supplement with your Prospectus for future
reference.

Our common stock is traded
on NYSE American under the symbol “NCL.” On November 19, 2025, the last reported sale price of our common stock was $0.397
per share.

Investing in shares of our Ordinary Shares involves risks that are described in the “Risk Factors” section beginning on page 16 of the Prospectus.

Neither the U.S. Securities
and Exchange Commission nor any state securities commission has approved or disapproved of the securities to be issued under the Prospectus
or determined if the Prospectus or this prospectus supplement is truthful or complete. Any representation to the contrary is a criminal
offense.

<div align='center'>The date of this prospectus supplement is November 20, 2025.</div>

The following information is provided to update
the Selling Stockholder table in the prospectus to reflect the transfers, including gifts, of the resale of all of the Registered Shares.

<div align='center'>SELLING STOCKHOLDERS</div>

Unless the context otherwise requires, as used
in this prospectus, “Selling Stockholders” includes the Selling Stockholders listed below and donees, pledgees, transferees
or other successors-in-interest selling shares received after the date of