PAGE 1 000 B000000 12/31/2010 000 C000000 0001255821 000 D000000 N 000 E000000 NF 000 F000000 Y 000 G000000 N 000 H000000 N 000 I000000 6.1 000 J000000 A 001 A000000 NUVEEN DIVERSIFIED DIVIDEND AND INCOME FUND 001 B000000 811-21407 001 C000000 3129178200 002 A000000 333 WEST WACKER DRIVE 002 B000000 CHICAGO 002 C000000 IL 002 D010000 60606 002 D020000 1286 003 000000 N 004 000000 N 005 000000 N 006 000000 N 007 A000000 N 007 B000000 0 007 C010100 1 007 C010200 2 007 C010300 3 007 C010400 4 007 C010500 5 007 C010600 6 007 C010700 7 007 C010800 8 007 C010900 9 007 C011000 10 008 A000001 NUVEEN ASSET MANAGEMENT 008 B000001 A 008 C000001 801-14147 008 D010001 CHICAGO 008 D020001 IL 008 D030001 60606 008 D040001 1286 008 A000002 SECURITY CAPITAL RESEARCH & MANAGEMENT INC. 008 B000002 S 008 C000002 801-53815 008 D010002 CHICAGO 008 D020002 IL 008 D030002 60603 008 A000003 NWQ INVESTMENT MANAGEMENT COMPANY, LLC 008 B000003 S 008 C000003 801-61379 008 D010003 LOS ANGELES 008 D020003 CA PAGE 2 008 D030003 90067 008 A000004 WELLINGTON MANAGEMENT COMPANY, LLP 008 B000004 S 008 C000004 801-15908 008 D010004 BOSTON 008 D020004 MA 008 D030004 02109 008 A000005 SYMPHONY ASSET MANAGEMENT, LLC. 008 B000005 S 008 C000005 801-52638 008 D010005 SAN FRANCISCO 008 D020005 CA 008 D030005 94104 012 A000001 EQUISERVE INC. 012 B000001 84-05925 012 C010001 PROVIDENCE 012 C020001 RI 012 C030001 02940 013 A000001 ERNST & YOUNG LLP 013 B010001 CHICAGO 013 B020001 IL 013 B030001 60606 014 A000001 NUVEEN INVESTMENTS, LLC 014 B000001 8-13464 015 A000001 STATE STREET BANK AND TRUST COMPANY 015 B000001 C 015 C010001 BOSTON 015 C020001 MA 015 C030001 02110 015 E010001 X 018 000000 Y 019 A000000 Y 019 B000000 244 019 C000000 NUVEENFUND 020 A000001 BARCLAYS CAPITAL 020 B000001 06-1031656 020 C000001 12 020 A000002 RAYMOND JAMES AND ASSOCIATES INC 020 B000002 59-1237041 020 C000002 11 020 A000003 UBS SECURITIES LLC 020 B000003 13-2638166 020 C000003 11 020 A000004 STIFEL NICOLAUS + CO INC 020 B000004 43-0538770 020 C000004 10 020 A000005 HUDSON SECURITIES INC 020 C000005 9 020 A000006 CANTOR FITZGERALD + CO. 020 B000006 13-3680184 020 C000006 9 PAGE 3 020 A000007 CITIGROUPGLOBAL MARKETS INC 020 B000007 13-3214963 020 C000007 9 020 A000008 JEFFERIES + COMPANY INC 020 B000008 95-2622900 020 C000008 8 020 A000009 BTIG, LLC 020 C000009 8 020 A000010 MORGAN STANLEY CO INCORPORATED 020 B000010 13-2655998 020 C000010 8 021 000000 161 022 A000001 BARCLAYS BANK PLC 022 B000001 13-4942190 022 C000001 20859 022 D000001 15375 022 A000002 JP MORGAN CHASE 022 B000002 13-3224016 022 C000002 18696 022 D000002 10884 022 A000003 MORGAN STANLEY 022 B000003 13-2655998 022 C000003 12706 022 D000003 13466 022 A000004 GOLDMAN SACHS 022 B000004 13-5108880 022 C000004 8911 022 D000004 14459 022 A000005 DEUTSCHE BANK 022 B000005 13-2730828 022 C000005 12484 022 D000005 10245 022 A000006 CITIGROUP 022 B000006 13-3214963 022 C000006 8526 022 D000006 12629 022 A000007 UBS 022 B000007 13-2638166 022 C000007 8933 022 D000007 7758 022 A000008 HSBC 022 B000008 13-2650272 022 C000008 10679 022 D000008 4887 022 A000009 ROYAL BANK OF SCOTLAND 022 B000009 13-4187851 022 C000009 6295 022 D000009 8091 022 A000010 BAYPOINT TRADING LLC 022 B000010 04-3695739 022 C000010 5399 PAGE 4 022 D000010 8833 023 C000000 183876 023 D000000 177675 024 000000 N 025 D000001 0 025 D000002 0 025 D000003 0 025 D000004 0 025 D000005 0 025 D000006 0 025 D000007 0 025 D000008 0 026 A000000 N 026 B000000 N 026 C000000 N 026 D000000 Y 026 E000000 N 026 F000000 N 026 G010000 N 026 G020000 N 026 H000000 N 027 000000 N 028 A010000 0 028 A020000 0 028 A030000 0 028 A040000 0 028 B010000 0 028 B020000 0 028 B030000 0 028 B040000 0 028 C010000 0 028 C020000 0 028 C030000 0 028 C040000 0 028 D010000 0 028 D020000 0 028 D030000 0 028 D040000 0 028 E010000 0 028 E020000 0 028 E030000 0 028 E040000 0 028 F010000 0 028 F020000 0 028 F030000 0 028 F040000 0 028 G010000 0 028 G020000 0 028 G030000 0 028 G040000 0 028 H000000 0 PAGE 5 030 A000000 0 030 B000000 0.00 030 C000000 0.00 031 A000000 0 031 B000000 0 032 000000 0 033 000000 0 035 000000 0 036 B000000 0 038 000000 0 042 A000000 0 042 B000000 0 042 C000000 0 042 D000000 0 042 E000000 0 042 F000000 0 042 G000000 0 042 H000000 0 043 000000 0 044 000000 0 045 000000 Y 046 000000 N 047 000000 N 048 000000 0.000 048 A010000 0 048 A020000 0.000 048 B010000 0 048 B020000 0.000 048 C010000 0 048 C020000 0.000 048 D010000 0 048 D020000 0.000 048 E010000 0 048 E020000 0.000 048 F010000 0 048 F020000 0.000 048 G010000 0 048 G020000 0.000 048 H010000 0 048 H020000 0.000 048 I010000 0 048 I020000 0.000 048 J010000 0 048 J020000 0.000 048 K010000 0 048 K020000 0.000 049 000000 N 050 000000 N 051 000000 N 052 000000 Y 053 A000000 Y PAGE 6 053 B000000 Y 053 C000000 N 054 A000000 Y 054 B000000 N 054 C000000 N 054 D000000 N 054 E000000 N 054 F000000 N 054 G000000 N 054 H000000 Y 054 I000000 N 054 J000000 Y 054 K000000 N 054 L000000 N 054 M000000 Y 054 N000000 N 054 O000000 Y 055 A000000 N 055 B000000 N 056 000000 Y 057 000000 N 058 A000000 N 059 000000 Y 060 A000000 Y 060 B000000 Y 061 000000 0 062 A000000 N 062 B000000 0.0 062 C000000 0.0 062 D000000 0.0 062 E000000 0.0 062 F000000 0.0 062 G000000 0.0 062 H000000 0.0 062 I000000 0.0 062 J000000 0.0 062 K000000 0.0 062 L000000 0.0 062 M000000 0.0 062 N000000 0.0 062 O000000 0.0 062 P000000 0.0 062 Q000000 0.0 062 R000000 0.0 063 A000000 0 063 B000000 0.0 066 A000000 Y 066 B000000 N 066 C000000 N 066 D000000 N 066 E000000 N PAGE 7 066 F000000 Y 066 G000000 N 067 000000 Y 068 A000000 N 068 B000000 N 069 000000 N 070 A010000 Y 070 A020000 Y 070 B010000 Y 070 B020000 Y 070 C010000 Y 070 C020000 N 070 D010000 Y 070 D020000 N 070 E010000 Y 070 E020000 N 070 F010000 Y 070 F020000 N 070 G010000 Y 070 G020000 N 070 H010000 Y 070 H020000 N 070 I010000 N 070 I020000 N 070 J010000 Y 070 J020000 Y 070 K010000 Y 070 K020000 N 070 L010000 Y 070 L020000 Y 070 M010000 Y 070 M020000 Y 070 N010000 N 070 N020000 N 070 O010000 Y 070 O020000 N 070 P010000 N 070 P020000 N 070 Q010000 N 070 Q020000 N 070 R010000 N 070 R020000 N 071 A000000 195960 071 B000000 212059 071 C000000 292706 071 D000000 67 072 A000000 12 072 B000000 6851 072 C000000 3973 072 D000000 0 072 E000000 36 PAGE 8 072 F000000 2639 072 G000000 0 072 H000000 0 072 I000000 1 072 J000000 160 072 K000000 26 072 L000000 53 072 M000000 10 072 N000000 0 072 O000000 0 072 P000000 882 072 Q000000 0 072 R000000 33 072 S000000 103 072 T000000 0 072 U000000 0 072 V000000 0 072 W000000 249 072 X000000 4156 072 Y000000 415 072 Z000000 7119 072AA000000 18333 072BB000000 0 072CC010000 15508 072CC020000 0 072DD010000 18768 072DD020000 0 072EE000000 0 073 A010000 0.9399 073 A020000 0.0000 073 B000000 0.0000 073 C000000 0.0000 074 A000000 36 074 B000000 10693 074 C000000 582 074 D000000 132386 074 E000000 0 074 F000000 162069 074 G000000 0 074 H000000 0 074 I000000 1618 074 J000000 4018 074 K000000 0 074 L000000 2157 074 M000000 185 074 N000000 313744 074 O000000 3277 074 P000000 210 074 Q000000 0 074 R010000 0 074 R020000 0 PAGE 9 074 R030000 437 074 R040000 65359 074 S000000 0 074 T000000 244461 074 U010000 19963 074 U020000 0 074 V010000 12.25 074 V020000 0.00 074 W000000 0.0000 074 X000000 42 074 Y000000 305864 075 A000000 0 075 B000000 232942 076 000000 10.89 077 A000000 Y 077 B000000 Y 077 E000000 Y 078 000000 N 080 A000000 CHUBB GROUP OF INSURANCE COMPANIES 080 B000000 BERKLEY, GREAT AMERICAN,ST.PAUL,CNA & ZURICH 080 C000000 110000 081 A000000 Y 081 B000000 243 082 A000000 N 082 B000000 0 083 A000000 N 083 B000000 0 084 A000000 N 084 B000000 0 085 A000000 Y 085 B000000 N 086 A010000 0 086 A020000 0 086 B010000 30 086 B020000 296 086 C010000 0 086 C020000 0 086 D010000 0 086 D020000 0 086 E010000 0 086 E020000 0 086 F010000 0 086 F020000 0 087 A010000 COMMON STOCK 087 A020000 6706EP105 087 A030000 JDD 088 A000000 Y 088 B000000 N 088 C000000 N 088 D000000 N PAGE 10 SIGNATURE STEPHEN D. FOY TITLE VP & CONTROLLER