EXHIBIT 24

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Robert E. Lowder and Sarah H. Moore and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, to sign any reports or other filings which may be required to be filed with the Securities and Exchange Commission on behalf of The Colonial BancGroup, Inc. (the “Registrant”), in connection with the Registrant’s acquisition by merger of Commercial Bankshares, Inc. (the “Acquisition”) pursuant to the terms of the Agreement and Plan of Merger by and between the Registrant and Commercial Bankshares, Inc.; to sign any registration statement of the Registrant on Form S-4 or other appropriate form and any amendments thereto, including, without limitation, a post-effective amendment on Form S-8, for the purpose of registering under the Securities Act of 1933, as amended, shares to be offered and sold by the Registrant in relation to the Acquisition; to file such other reports or other filings, such registration statements and amendments thereto, with all exhibits thereto, and any documents in connection therewith with the Securities and Exchange Commission; and to file such notices, reports or registration statements (and amendments thereto) with any such securities authority of any state which may be necessary to register or qualify for an exemption from registration any securities offered or sold by BancGroup in such states in relation to the Acquisition, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite to be done in connection with the Acquisition as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do or cause to be done by virtue hereof.

Done this 17th day of January, 2007, in Montgomery, Alabama.

[The rest of this page intentionally left blank]

Name	Title
/s/    ROBERT E. LOWDER         Robert E. Lowder	Chairman of the Board of Directors, Chief Executive Officer and President
/s/    LEWIS E. BEVILLE         Lewis E. Beville	Director
/s/    AUGUSTUS K. CLEMENTS, III         Augustus K. Clements, III	Director
/s/    ROBERT S. CRAFT         Robert S. Craft	Director
/s/    PATRICK F. DYE         Patrick F. Dye	Director
/s/    HUBERT L. HARRIS, JR.         Hubert L. Harris, Jr.	Director
/s/    CLINTON O. HOLDBROOKS Clinton O. Holdbrooks	Director
/s/    DEBORAH L. LINDEN         Deborah L. Linden	Director
/s/    JOHN ED MATHISON         John Ed Mathison	Director
/s/    MILTON E. MCGREGOR         Milton E. McGregor	Director
John C. H. Miller, Jr.	Director
/s/    JOE D. MUSSAFER         Joe D. Mussafer	Director
/s/    WILLIAM E. POWELL, III         William E. Powell, III	Director
/s/    JAMES W. RANE         James W. Rane	Director
/s/    SIMUEL SIPPIAL         Simuel Sippial	Director
/s/    EDWARD V. WELCH         Edward V. Welch	Director