UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANIES

Investment Company Act file number 811- 21416

John Hancock Tax-Advantaged Dividend Income Fund
(Exact name of registrant as specified in charter)

601 Congress Street, Boston, Massachusetts 02210
(Address of principal executive offices) (Zip code)

Alfred P. Ouellette, Senior Counsel and Assistant Secretary

601 Congress Street

Boston, Massachusetts 02210
(Name and address of agent for service)

Registrant's telephone number, including area code: 617-663-4324

Date of fiscal year end:   December 31    

 

Date of reporting period: 

 March 31, 2007 

ITEM 1. SCHEDULE OF INVESTMENTS


John Hancock     
Tax-Advantaged Dividend Income Fund     
Securities owned by the Fund on     
March 31, 2007 (unaudited)     
 
Issuer  Shares  Value 
Common stocks 76.35%    $1,024,411,409 
(Cost $863,073,005)     
 
Diversified Banks 5.07%    68,056,643 
Comerica, Inc.  296,000  17,499,520 
U.S. Bancorp.  630,900  22,062,573 
Wachovia Corp.  355,000  19,542,750 
Wells Fargo & Co.  260,000  8,951,800 
Diversified Metals & Mining 0.26%    3,547,784 
Freeport-McMoRan Copper & Gold, Inc.  53,600  3,547,784 
Electric Utilities 8.76%    117,516,487 
American Electric Power Co., Inc.  398,500  19,426,875 
Duke Energy Corp.  1,099,846  22,315,875 
FPL Group, Inc.  65,000  3,976,050 
Great Plains Energy, Inc.  67,000  2,174,150 
Hawaiian Electric Industries, Inc.  114,700  2,981,053 
Pinnacle West Capital Corp.  335,000  16,163,750 
Progress Energy, Inc.  569,600  28,730,624 
Southern Co.  593,400  21,748,110 
Gas Utilities 7.17%    96,134,108 
Atmos Energy Corp.  739,100  23,119,048 
National Fuel Gas Co.  456,000  19,726,560 
Northwest Natural Gas Co.  300,000  13,701,000 
ONEOK, Inc.  821,100  36,949,500 
Piedmont Natural Gas Co., Inc.  100,000  2,638,000 
Independent Power Producers & Energy Traders 1.24%    16,693,580 
Black Hills Corp.  454,000  16,693,580 
Integrated Oil & Gas 3.00%    40,230,100 
BP Plc, American Depositary Receipt (ADR)     
(United Kingdom)  410,000  26,547,500 
Chevron Corp.  185,000  13,682,600 
Integrated Telecommunication Services 2.16%    29,046,976 
AT&T, Inc.  520,000  20,503,600 
Verizon Communications, Inc.  225,300  8,543,376 
Multi-Utilities 29.52%    396,027,137 
Ameren Corp.  561,100  28,223,330 
CH Energy Group, Inc.  373,600  18,190,584 
Consolidated Edison, Inc.  450,100  22,982,106 
Dominion Resources, Inc.  304,000  26,986,080 
DTE Energy Co.  609,914  29,214,881 

Page 1

John Hancock       
Tax-Advantaged Dividend Income Fund     
Securities owned by the Fund on     
March 31, 2007 (unaudited)       
 
Energy East Corp.    863,000  21,022,680 
Integrys Energy Group, Inc.    636,741  35,345,493 
KeySpan Corp.    811,747  33,403,389 
NiSource, Inc.    790,500  19,319,820 
NSTAR    1,086,000  38,140,320 
OGE Energy Corp.    884,800  34,330,240 
PNM Resources, Inc.    185,000  5,975,500 
Public Service Enterprise Group, Inc.    375,600  31,189,824 
SCANA Corp.    257,500  11,116,275 
TECO Energy, Inc.    47,500  817,475 
Vectren Corp.    699,900  20,017,140 
Xcel Energy, Inc.    800,000  19,752,000 
Oil & Gas Storage & Transportation  3.90%    52,302,257 
Kinder Morgan, Inc.    184,600  19,650,670 
Spectra Energy Corp.    1,242,923  32,651,587 
Other Diversified Financial Services  4.41%    59,124,024 
Bank of America Corp.    730,000  37,244,600 
Citigroup, Inc.    187,000  9,600,580 
JPMorgan Chase & Co.    253,800  12,278,844 
Publishing 0.06%      834,151 
Idearc, Inc.    23,765  834,151 
Regional Banks 9.27%      124,355,909 
BB&T Corp.    495,000  20,304,900 
First Horizon National Corp.    215,000  8,928,950 
KeyCorp.    619,000  23,193,930 
PNC Financial Services Group, Inc. (The)  305,000  21,950,850 
Regions Financial Corp.    1,412,985  49,977,279 
Thrifts & Mortgage Finance 0.82%      11,023,740 
Washington Mutual, Inc.    273,000  11,023,740 
Wireless Telecommunication Services 0.71%    9,518,513 
Vodafone Group Plc, ADR (United Kingdom)  354,375  9,518,513 
        
  Credit     
Issuer, description  rating (A)  Shares  Value 
Preferred stocks 20.83%      $279,514,332 
(Cost $279,619,607)       
 
Broadcasting & Cable TV 0.23%      3,107,695 
Comcast Corp., 7.00%  BBB+  120,500  3,107,695 
Consumer Finance 0.41%      5,547,250 
HSBC Finance Corp., 6.36%, Depositary     
Shares, Ser B  A  150,000  3,859,500 
SLM Corp., 6.97%, Ser A  BBB+  31,400  1,687,750 

Page 2

John Hancock       
Tax-Advantaged Dividend Income Fund   
Securities owned by the Fund on     
March 31, 2007 (unaudited)   
     
 
     
 
Diversified Banks 1.55%      20,844,380 
Royal Bank of Scotland Group Plc, 5.75%,       
Ser L (United Kingdom)  A  858,500  20,844,380 
 
Diversified Metals & Mining 0.16%      2,138,200 
Freeport McMoRan Copper & Gold, Inc.,       
6.75%  B+  20,000  2,138,200 
 
Electric Utilities 7.21%      96,796,871 
Alabama Power Co., 5.30% (Class A)  BBB+  200,000  5,050,000 
Carolina Power & Light Co., $5.44  BBB-  111,493  10,853,844 
Connecticut Light & Power Co., $3.24,       
Ser 68G  BB+  20,686  1,063,391 
Duquesne Light Co., 6.50%  BB+  427,000  21,563,500 
Entergy Arkansas, Inc., $6.08  Ba1  11,372  1,141,820 
Entergy Arkansas, Inc., 4.56%  BB+  9,388  731,090 
Entergy Arkansas, Inc., 4.56%, Ser 1965  BB+  9,818  791,576 
Entergy Arkansas, Inc., 6.45%  BB+  110,000  2,787,818 
Entergy Gulf States, Inc., $7.56  BB+  28,422  2,893,360 
Entergy Mississippi, Inc., 4.92%  Ba2  8,190  688,984 
Entergy Mississippi, Inc., 6.25%  BB+  197,500  5,036,250 
FPC Capital I, 7.10%, Ser A  BB+  48,600  1,226,664 
FPL Group Capital Trust I, 5.875%  BBB+  280,000  6,832,000 
Interstate Power & Light Co., 7.10%, Ser C  BBB-  20,600  557,230 
Interstate Power & Light Co., 8.375%,       
Ser B  Baa2  233,000  7,062,812 
PPL Electric Utilities Corp., 6.25%,       
Depositary Shares  BBB  300,000  7,856,250 
PPL Energy Supply, LLC, 7.00%  BBB  297,512  7,738,287 
Southern California Edison Co., 6.00%,       
Ser C  BBB-  30,000  3,097,500 
Southern California Edison Co., 6.125%  BBB-  50,000  5,110,940 
Xcel Energy, Inc., $4.56, Ser G  BB+  53,900  4,713,555 
 
Gas Utilities 0.88%      11,772,800 
Southern Union Co., 7.55%, Ser A  BB  452,800  11,772,800 
 
Investment Banking & Brokerage 2.86%      38,391,770 
Bear Stearns Cos., Inc. (The), 5.49%,       
Depositary Shares, Ser G  BBB+  246,100  12,329,610 
Bear Stearns Cos., Inc. (The), 6.15%,       
Depositary Shares, Ser E  BBB+  73,600  3,827,200 
Lehman Brothers Holdings, Inc., 5.67%,       
Depositary Shares, Ser D  A-  63,000  3,165,750 
Lehman Brothers Holdings, Inc., 5.94%,       
Depositary Shares, Ser C  A-  271,760  13,995,640 
Lehman Brothers Holdings, Inc., 6.50%,       
Depositary Shares, Ser F  A-  193,500  5,073,570 
 
Life & Health Insurance 1.38%      18,485,100 
MetLife, Inc., 6.50%, Ser B  BBB  705,000  18,485,100 

Page 3

John Hancock
Tax-Advantaged Dividend Income Fund
Securities owned by the Fund on
March 31, 2007 (unaudited)

Multi-Line Insurance 0.39%      5,286,775 
ING Groep NV, 6.20% (Netherlands)  A  109,100  2,754,775 
ING Groep NV, 7.05% (Netherlands)  A  100,000  2,532,000 
 
Multi-Utilities 0.75%      10,000,279 
BGE Capital Trust II, 6.20%  BBB-  147,100  3,651,022 
Public Service Electric & Gas Co., 5.05%,       
Ser D  BB+  23,442  2,174,246 
Public Service Electric & Gas Co., 5.28%,       
Ser E  BB+  22,930  2,166,885 
South Carolina Electric & Gas Co., 6.52%  Baa1  20,000  2,008,126 
 
Oil & Gas Exploration & Production 2.40%      32,169,012 
Anadarko Petroleum Corp., 5.46%,       
Depositary Shares, Ser B  BB  40,000  3,832,500 
Chesapeake Energy Corp., 6.25%, Conv (G)  B+  9,290  2,415,400 
Devon Energy Corp., 6.49%, Ser A  BB+  150,000  15,093,750 
Nexen, Inc., 7.35% (Canada)  BB+  422,284  10,827,362 
 
Other Diversified Financial Services 2.25%      30,202,000 
ABN AMRO Capital Funding Trust VII, 6.08%  A  950,000  23,902,000 
Bank of America Corp., 6.204%, Depositary       
Shares, Ser D  A+  240,000  6,300,000 
 
Reinsurance 0.17%      2,237,200 
RenaissanceRe Holdings Ltd., 6.08%, Ser C       
(Bermuda)  BBB  94,000  2,237,200 
 
Wireless Telecommunication Services 0.19%      2,535,000 
United States Cellular, 7.50%  BBB-  100,000  2,535,000 

  Interest  Maturity  Credit  Par value   
Issuer, description  rate  date  rating (A)  (000)  Value 
U.S. government and agencies securities  2.82%      $37,800,000 
(Cost $37,794,782)           
 
Government U.S. Agency  2.82%        37,800,000 
Federal Home Loan Bank,           
Disc Note  Zero %  04-02-07  AAA  $37,800  37,800,000 
 
Total investments (Cost $1,180,487,394) 100.00%    $1,341,725,741 

Page 4

John Hancock
Tax-Advantaged Dividend Income Fund

Footnotes to Schedule of Investments
March 31, 2007 (unaudited)

(A) Credit ratings are unaudited and are rated by Moody's Investors Service where Standard & Poor's ratings are not available unless indicated otherwise.

(G) Security rated internally by John Hancock Advisers, LLC.

Parenthetical disclosure of a foreign country in the security description represents country of a foreign issuer; however, security is U.S. dollar-denominated.

The percentage shown for each investment category is the total value of that category as a percentage of the net assets of the Fund.

The cost of investments owned on March 31, 2007, including short-term investments, was $1,180,487,394. Gross unrealized appreciation and depreciation of investments aggregated $168,006,793 and $6,768,446, respectively, resulting in net unrealized appreciation of $161,238,347.

Footnotes to Schedule of Investments - Page 1


ITEM 2. CONTROLS AND PROCEDURES.

(a) Based upon their evaluation of the registrant's disclosure controls and procedures as conducted within 90 days of the filing date of this Form N-Q, the registrant's principal executive officer and principal financial officer have concluded that those disclosure controls and procedures provide reasonable assurance that the material information required to be disclosed by the registrant on this report is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms.

(b) There were no changes in the registrant's internal control over financial reporting that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting.

ITEM 3. EXHIBITS.
Separate certifications for the registrant's principal executive officer and principal financial officer, as required by Rule 30a-2(a) under the Investment Company Act of 1940, are attached.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

John Hancock Tax-Advantaged Dividend Income Fund

By: /s/ Keith F. Hartstein
-------------------------------------
Keith F. Hartstein
President and
Chief Executive Officer

Date: May 24, 2007

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

By: /s/ Keith F. Hartstein
-------------------------------------
Keith F. Hartstein
President and
Chief Executive Officer

Date: May 24, 2007

By: /s/ John G. Vrysen
-------------------------------------
John G. Vrysen
Chief Financial Officer

Date: May 24, 2007