IMAX CORPORATION

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in (i) the Registration Statements on Form S-8 (No. 333-2076; No. 333-5720; No. 333-30970; No. 333-44412; No. 333-155262, No. 333-165400; No. 333-189274), (ii) the Post-Effective Amendments No. 1 to Form S-8 (No. 333-5720 as amended and No. 333-165400) and (iii) the Registration Statement on Form S-3 (No. 333-194082) of IMAX Corporation of our report dated February 19, 2015, relating to the financial statements, financial statements schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Chartered Accountants, Licensed Public Accountants

Toronto, Ontario

February 19 , 2015

PricewaterhouseCoopers LLP

PwC Tower, 18 York Street, Suite 2600, Toronto, Ontario, Canada M5J 0B2

T: +1 416 863 1133, F: +1 416 365 8215, www.pwc.com/ca

“PwC” refers to PricewaterhouseCoopers LLP, an Ontario limited liability partnership.