Exhibit 23.2

Consent of Ernst & Young LLP,

Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the Kiva Systems, Inc. 2003 Stock Plan of our reports dated January 31, 2012, with respect to the consolidated financial statements of Amazon.com, Inc. and the effectiveness of internal control over financial reporting of Amazon.com, Inc. included in its Annual Report (Form 10-K) for the year ended December 31, 2011, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Seattle, Washington

April 26, 2012