Exhibit 99(j)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the references to our firm under the captions "Financial Highlights" within the Prospectus and "Shareholder Services – Statements and Reports", "General Information – Independent Registered Public Accounting Firm" and "Financial Statements and Report of Independent Registered Public Accounting Firm" within the Statement of Additional Information and to the use of our report dated September 25, 2014 relating to the financial statements of AB Small Cap Growth Portfolio (one of the portfolios constituting the AB Cap Fund, Inc.) for the fiscal year ended July 31, 2014, which is incorporated by reference in this Post-Effective Amendment No. 186 to the Registration Statement (Form N-1A No.2-29901) of AB Cap Fund, Inc.

/s/ ERNST & YOUNG LLP

New York, New York

June 25, 2015