UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): September 8, 2014 (September 3, 2014)

Dean Foods Company

(Exact name of registrant as specified in charter)

2711 North Haskell Ave., Suite 3400

Dallas, TX 75204

(Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code: (214) 303-3400

Not Applicable.

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

On September 8, 2014, Dean Foods Company (the “Company”) announced that Rachel A. Gonzalez has resigned from her position as the Company’s Executive Vice President, General Counsel and Secretary effective as of September 12, 2014. The press release announcing Ms. Gonzalez’s resignation is attached hereto as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

EXHIBIT INDEX

Exhibit 99.1

Dean Foods General Counsel to Depart

Dallas, TX – September 8, 2014 – Dean Foods Company (NYSE: DF) announced today that Rachel A. Gonzalez has resigned as Executive Vice President, General Counsel and Secretary of the Company to accept a similar position at a publicly traded company.

Ms. Gonzalez’s resignation will be effective September 12. Dean Foods is launching a search for a new general counsel and expects to consider candidates in the coming months.

Ms. Gonzalez joined Dean Foods in 2008 as Chief Counsel, Corporate & Securities and served as the Deputy General Counsel prior to her promotion in November 2012.

Gregg Tanner, Chief Executive Officer, stated, “I would like to thank Rachel for her dedication and contributions to the Company over the past six years, including the successful spin-off and separation of The WhiteWave Foods Company and the sale of our former Morningstar business. She has been a strong leader within the organization and a key advisor to me. We wish her all the best in her future endeavors.”

ABOUT DEAN FOODS

Dean Foods^® is a leading food and beverage company in the United States and is the nation’s largest processor and direct-to-store distributor of fluid milk. Headquartered in Dallas, Texas, the Dean Foods portfolio includes TruMoo^®, the leading national flavored milk brand, along with well-known regional dairy brands such as Alta Dena^®, Berkeley Farms^®, Country Fresh^®, Dean’s^®, Garelick Farms^®, LAND O LAKES^® milk and cultured products*, Lehigh Valley Dairy Farms^®, Mayfield^®, McArthur^®, Meadow Gold^®, Oak Farms^®, PET^®**, T.G. Lee^®, Tuscan^® and more. In all, Dean Foods has more than 50 local and regional dairy brands and private labels. Dean Foods also makes and distributes ice cream, cultured products, juices, teas, and bottled water. Nearly 18,000 employees across the country work every day to make Dean Foods the most admired and trusted provider of wholesome, great-tasting dairy products at every occasion. For more information about Dean Foods and its brands, visit www.deanfoods.com.