Exhibit 21.1

SUBSIDIARIES OF HUNTINGTON BANCSHARES INCORPORATED

The direct and indirect subsidiaries of Huntington Bancshares Incorporated at December 31, 2017, are listed below. The state or jurisdiction of incorporation or organization of each subsidiary (unless otherwise noted) is Ohio.

41 South High Ltd. **

7575 Corporation

791, 801, AND 803 W. Big Beaver Road, LLC

Camco Statutory Trust 1 (Connecticut)

CASCADE Holdings, LLC (Illinois)

Community Bank Audit Services, Inc. (Michigan)

Community Bank Insurance Agency, Inc. (Michigan)

CREPD, LLC

FirstMerit Advisors, Inc.

FirstMerit Community Development Corporation

FirstMerit Financial Services, Inc.

FirstMerit Mortgage Reinsurance Co., Inc. (Hawaii)

FirstMerit Risk Management, Inc. (Vermont)

FirstMerit Securities, Inc.

FirstMerit Title Agency, LTD.

FMRC, Inc. (Delaware)

Forty-One Corporation

Franklin Mortgage Asset Trust 2009-A (Delaware)

Haberer Registered Investment Advisor, Inc.

HBI Payments Holdings, Inc.

HBI Specialty Insurance, Inc.

HBI Title Services, Inc.

HCFFL, LLC (Nevada)

Henry Acquisitions, Inc.

HLFB, Inc. (Nevada)

HMC Reinsurance Company (Vermont)

HMFAL, LLC

HNB I LLC (Delaware)

HPAL Holdings, LLC (Nevada)

HPAL, LLC (Nevada)

HPAL II, LLC (Nevada)

HPCDS, Inc. (Nevada)

HPCF Corporation (Nevada)

HPCKAL, LLC (Nevada)

HPCLI, Inc.

HREIC Holdings, LLC

Huntington Auto Trust 2011-1 (Delaware)

Huntington Auto Trust 2012-1 (Delaware)

Huntington Auto Trust 2012-2 (Delaware)

Huntington Auto Trust 2015-1 (Delaware)

Huntington Auto Trust 2016-1 (Delaware)

Huntington Bancshares Financial Corporation

Huntington Capital Financing Holdings I, Inc. (Nevada)

Huntington Capital Financing Holdings II, Inc. (Nevada)

Huntington Capital Financing OREO, Inc. (Nevada)

Huntington Capital I (Delaware)

Huntington Capital II (Delaware)

Huntington Captive Insurance Company (Arizona)

Huntington Equipment Finance, Inc. (Delaware)

Huntington Equity Investments, LLC

Huntington Finance LLC

Huntington Funding, LLC (Delaware)

Huntington Insurance, Inc.

Huntington LT (Delaware)

Huntington Mezzanine Opportunities Inc.

Huntington Municipal Fund I, Inc.

Huntington Municipal Fund II, Inc.

Huntington Municipal Securities, Inc. (Nevada) *

Huntington Preferred Capital Holdings, Inc. (Indiana)

Huntington Preferred Capital, Inc.

Huntington Preferred Capital II, Inc.

Huntington Public Capital Corporation (Nevada)

Huntington Residential Mortgage Securities, Inc.

Huntington Technology Finance, Inc. (Delaware)

Huntington Technology Funding, LLC (Delaware)

Huntington West, Inc. (Delaware)

Inner City Partnerships, LLC **

Metropolitan Savings Service Corporation

Mezzanine Opportunities LLC **

Mezzanine Opportunities II LLC **

Midwest Funding, LLC (Illinois)

Mobile Consultants, Inc.

Prospect Trust I (Delaware)

Rate Risk Management Advisors, LLC

Sky Capital LLC (Delaware) *

Sky Financial Capital Trust III (Delaware)

Sky Financial Capital Trust IV (Delaware)

STB Auto Exchange, LLC

Troy BNK Investors LLC

The Derlam Company

The Huntington Capital Investment Company

The Huntington Capital Investment Company II

The Huntington Community Development Corporation

The Huntington Investment Company

The Huntington Kentucky, LLC (Kentucky)

The Huntington Leasing Company

The Huntington National Bank (United States)

The Huntington Real Estate Investment Company

The Huntington Real Estate Investment Company II

Tower Hill Securities, Inc. (Nevada)

Unizan Capital, LLC (Delaware) *

WMC Acquisition LLC (Indiana)

*    - Owned jointly between The Huntington National Bank and Huntington Bancshares Incorporated.

**    - Less than 100% owned.