CONSENT OF KESSELMAN & KESSELMAN, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
Published on May 27, 2020
Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form F-3 of CollPlant Biotechnologies Ltd. of our report dated April 1, 2020 relating to the financial statements, which appears in CollPlant Biotechnologies Ltd.'s Annual Report on Form 20-F for the year ended December 31, 2019. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
| Tel-Aviv, Israel | /s/Kesselman & Kesselman |
| May 27, 2020 | Certified Public Accountants (Isr.) |
| A member firm of PricewaterhouseCoopers International Limited |
Kesselman & Kesselman, Trade Tower, 25 Hamered Street, Tel-Aviv 6812508, Israel,
P.O Box 50005 Tel-Aviv 6150001 Telephone: +972 -3- 7954555, Fax:+972 -3- 7954556, www.pwc.com/il