UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K/A

(Amendment No. 1)

(Mark One)

For the fiscal year ended December 31, 2015

OR

For the transition period ended                      to                     

Commission file number 001-36594

Xenia Hotels & Resorts, Inc.

(Exact Name of Registrant as Specified in Its Charter)

(Registrant’s telephone number, including area code): (407) 317-6950

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    x  Yes    ¨  No

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.    ¨  Yes    x  No

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to the filing requirements for the past 90 days.    x  Yes    ¨  No

Indicate by check mark whether the Registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    x  Yes    ¨  No

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.    x

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    ¨  Yes    x  No

The aggregate market value of the 111,645,384 shares of common stock held by non-affiliates of the registrant was approximately $2.43 billion based on the closing price of the New York Stock Exchange for such common stock as of June 30, 2015.

As of March 1, 2016, there were 108,913,184 shares of the registrant’s common stock, $0.01 per value per share, outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

The registrant incorporates by reference portions of its Definitive Proxy Statement for the 2016 Annual Meeting of Stockholders, which is expected to be held on May 24, 2016, into Part III of this Form 10-K to the extent stated herein.

EXPLANATORY NOTE

Xenia Hotels & Resorts, Inc. is filing this Amendment No. 1 to its Annual Report on Form 10-K for the fiscal year ended December 31, 2015, as an exhibit-only filing solely to re-file Exhibits 31.1 and 31.2 to include a portion of the text required in paragraph 4 of the Section 302 certifications (specifically, subparagraph 4(b) and a portion of the introductory language of paragraph 4), which were inadvertently omitted from the Section 302 certifications included with the original Form 10-K filed with the Securities and Exchange Commission on March 10, 2016. This Amendment No. 1 to Form 10-K does not reflect events occurring after the filing of the original Form 10-K and, other than the re-filing of the referenced certifications, does not modify or update the disclosures in the original Form 10-K in any way. Accordingly, this Amendment should be read in conjunction with the Annual Report as originally filed.

SIGNATURE

Pursuant to the requirements of Section 13 or 15(d) ofthe Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Dated: March 21, 2016

EXHIBIT INDEX