Company: IXHL
Filing Date: 2025-11-14
Form Type: S-8
Source: 0001213900-25-110267
Chunk: 0

Company: Incannex Healthcare Inc.
Filing Date: 2025-11-14
Form: S-8
Chunk 0
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<div align='center'>As filed with the Securities and Exchange Commission on November 14, 2025</div>

REGISTRATION NO. 333 -

<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM S-8

REGISTRATION STATEMENT

under the

SECURITIES ACT OF 1933

Incannex Healthcare Inc.

(Exact name of Registrant as specified in its charter)</div>

| Delaware                        |     | 93-2403210         |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -I.R.S. Employer   
 Identification No. |

<div align='center'>Rialto South Tower

Level 23, 525 Collins Street

Melbourne VIC 3008
Australia

(Address of Principal Executive Offices)(Zip Code)

Incannex Healthcare Inc. 2023 Equity Incentive Plan

(Full titles of the plan(s))

Joel Latham

Chief Executive Officer and President

Incannex Healthcare Inc.

Rialto South Tower

Level 23, 525 Collins Street

Melbourne VIC 3008
Australia

+61 409 840 786

(Name, address and telephone number, including area code, of agent for service)

Copies to:

Scott M. Stanton, Esq.

Melanie Ruthrauff Levy, Esq.

Jason Miller, Esq.

Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, PC

3580 Carmel Mountain Road, Suite 300

San Diego, CA 92030

858-314-1873</div>

Indicate by check mark whether the registrant
is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company.
See definition of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and
“emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

| Large accelerated filer | ☐ |     | Accelerated filer         | ☐ |
| Non-accelerated filer   | ☒ |     | Smaller reporting company | ☒ |
|                         |   |     | Emerging growth company   | ☒ |

If an emerging growth company, indicate by check
mark if the registrant has elected to use the extended transition