<PAGE>      PAGE  1
000 A000000 12/31/2008
000 C000000 0001306349
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 PIONEER SERIES TRUST III
001 B000000 811-21664
001 C000000 6177427825
002 A000000 60 STATE STREET
002 B000000 BOSTON
002 C000000 MA
002 D010000 02109
002 D020000 1820
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 Y
007 B000000  1
007 C010100  1
007 C020100 PIONEER CULLEN VALUE FUND
007 C030100 N
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 A00AA01 PIONEER INVESTMENT MANAGEMENT, INC.
008 B00AA01 A
008 C00AA01 801-8255
008 D01AA01 BOSTON
008 D02AA01 MA
008 D03AA01 02109
008 D04AA01 1820
008 A00AA02 CULLEN CAPITAL MANAGEMENT, LLC
008 B00AA02 S
008 C00AA02 801-0000
008 D01AA02 NEW YORK
008 D02AA02 NY
008 D03AA02 10022
010 A00AA01 PIONEER INVESTMENT MANAGEMENT, INC.
010 B00AA01 8255
010 C01AA01 BOSTON
<PAGE>      PAGE  2
010 C02AA01 MA
010 C03AA01 02109
010 C04AA01 1820
011 A00AA01 PIONEER FUNDS DISTRIBUTOR, INC.
011 B00AA01 8-41256
011 C01AA01 BOSTON
011 C02AA01 MA
011 C03AA01 02109
011 C04AA01 1820
012 A00AA01 PIONEER INVESTMENT MGT SHAREHOLDER SERVICES
012 B00AA01 84-1359
012 C01AA01 BOSTON
012 C02AA01 MA
012 C03AA01 02109
012 C04AA01 1820
013 A00AA01 ERNST AND YOUNG LLP
013 B01AA01 BOSTON
013 B02AA01 MA
013 B03AA01 02116
013 B04AA01 5072
015 A00AA01 BROWN BROTHERS HARRIMAN & CO.
015 B00AA01 C
015 C01AA01 BOSTON
015 C02AA01 MA
015 C03AA01 02109
015 C04AA01 1975
015 E01AA01 X
018  00AA00 Y
019 A00AA00 Y
019 B00AA00   76
019 C00AA00 PIONEERFDS
020 A000001 BANK OF NEW YORK
020 C000001    119
020 A000002 KEEFE BRUYETTE
020 C000002    104
020 A000003 SALOMON SMITH BARNEY
020 C000003    103
020 A000004 ISI GROUP
020 C000004     96
020 A000005 WACHOVIA SECURITIES
020 C000005     96
020 A000006 BROWN BROTHERS
020 C000006     96
020 A000007 KELLOG PARTNERS
020 C000007     90
020 A000008 JP MORGAN
020 C000008     82
020 A000009 CAPITAL SECURITIES
020 C000009     77
020 A000010 GILFORD SECURITIES
020 C000010     74
<PAGE>      PAGE  3
021  000000     1561
022 A000001 BANK OF AMERICAN FI
022 C000001  11233785
022 D000001         0
022 A000002 BARCLAYS FI
022 C000002   8301885
022 D000002         0
022 A000003 JP MORGAN (FIXED)
022 C000003   7543650
022 D000003         0
022 A000004 DEUTSCHEBANK FI
022 C000004   7183685
022 D000004         0
022 A000005 MERRILL LYNCH (FIXED)
022 C000005   3261605
022 D000005         0
022 A000006 MORGAN STANLEY (FIXED)
022 C000006     60000
022 D000006         0
022 C000007         0
022 D000007         0
022 C000008         0
022 D000008         0
022 C000009         0
022 D000009         0
022 C000010         0
022 D000010         0
023 C000000   37584610
023 D000000          0
024  00AA00 N
025 D00AA01       0
025 D00AA02       0
025 D00AA03       0
025 D00AA04       0
025 D00AA05       0
025 D00AA06       0
025 D00AA07       0
025 D00AA08       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 Y
028 A01AA00    287098
028 A02AA00         1
028 A03AA00         0
<PAGE>      PAGE  4
028 A04AA00    104969
028 B01AA00    159490
028 B02AA00         1
028 B03AA00         0
028 B04AA00    176445
028 C01AA00    178208
028 C02AA00         1
028 C03AA00         0
028 C04AA00    133083
028 D01AA00    194512
028 D02AA00         4
028 D03AA00         0
028 D04AA00    189106
028 E01AA00    239367
028 E02AA00        11
028 E03AA00         0
028 E04AA00    167647
028 F01AA00    265814
028 F02AA00     33801
028 F03AA00         0
028 F04AA00    138885
028 G01AA00   1324489
028 G02AA00     33819
028 G03AA00         0
028 G04AA00    910135
028 H00AA00    708081
029  00AA00 Y
030 A00AA00   1264
030 B00AA00  5.75
030 C00AA00  0.00
031 A00AA00    180
031 B00AA00      0
032  00AA00   1084
033  00AA00      0
034  00AA00 Y
035  00AA00    247
036 A00AA00 N
036 B00AA00      0
037  00AA00 N
038  00AA00      0
039  00AA00 Y
040  00AA00 Y
041  00AA00 Y
042 A00AA00   0
042 B00AA00   0
042 C00AA00   0
042 D00AA00 100
042 E00AA00   0
042 F00AA00   0
042 G00AA00   0
042 H00AA00   0
<PAGE>      PAGE  5
043  00AA00   5517
044  00AA00      0
045  00AA00 Y
046  00AA00 N
047  00AA00 Y
048  00AA00  0.000
048 A01AA00  1000000
048 A02AA00 0.700
048 B01AA00  1000000
048 B02AA00 0.650
048 C01AA00  1000000
048 C02AA00 0.600
048 D01AA00        0
048 D02AA00 0.000
048 E01AA00        0
048 E02AA00 0.000
048 F01AA00        0
048 F02AA00 0.000
048 G01AA00        0
048 G02AA00 0.000
048 H01AA00        0
048 H02AA00 0.000
048 I01AA00        0
048 I02AA00 0.000
048 J01AA00        0
048 J02AA00 0.000
048 K01AA00  3000000
048 K02AA00 0.550
049  00AA00 N
050  00AA00 N
051  00AA00 N
052  00AA00 N
053 A00AA00 Y
053 B00AA00 Y
053 C00AA00 N
054 A00AA00 Y
054 B00AA00 N
054 C00AA00 N
054 D00AA00 N
054 E00AA00 N
054 F00AA00 N
054 G00AA00 N
054 H00AA00 Y
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 N
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 N
055 A00AA00 N
<PAGE>      PAGE  6
055 B00AA00 N
056  00AA00 Y
057  00AA00 N
058 A00AA00 N
059  00AA00 Y
060 A00AA00 Y
060 B00AA00 Y
061  00AA00     1000
062 A00AA00 N
062 B00AA00   0.0
062 C00AA00   0.0
062 D00AA00   0.0
062 E00AA00   0.0
062 F00AA00   0.0
062 G00AA00   0.0
062 H00AA00   0.0
062 I00AA00   0.0
062 J00AA00   0.0
062 K00AA00   0.0
062 L00AA00   0.0
062 M00AA00   0.0
062 N00AA00   0.0
062 O00AA00   0.0
062 P00AA00   0.0
062 Q00AA00   0.0
062 R00AA00   0.0
063 A00AA00   0
063 B00AA00  0.0
066 A00AA00 Y
066 B00AA00 N
066 C00AA00 Y
066 D00AA00 N
066 E00AA00 N
066 F00AA00 N
066 G00AA00 N
067  00AA00 N
068 A00AA00 N
068 B00AA00 N
069  00AA00 N
070 A01AA00 Y
070 A02AA00 Y
070 B01AA00 Y
070 B02AA00 N
070 C01AA00 Y
070 C02AA00 N
070 D01AA00 Y
070 D02AA00 N
070 E01AA00 Y
070 E02AA00 N
070 F01AA00 Y
070 F02AA00 N
<PAGE>      PAGE  7
070 G01AA00 Y
070 G02AA00 N
070 H01AA00 Y
070 H02AA00 N
070 I01AA00 N
070 I02AA00 N
070 J01AA00 Y
070 J02AA00 N
070 K01AA00 Y
070 K02AA00 N
070 L01AA00 Y
070 L02AA00 N
070 M01AA00 Y
070 M02AA00 N
070 N01AA00 Y
070 N02AA00 Y
070 O01AA00 Y
070 O02AA00 N
070 P01AA00 Y
070 P02AA00 N
070 Q01AA00 Y
070 Q02AA00 N
070 R01AA00 N
070 R02AA00 N
071 A00AA00    955667
071 B00AA00    336684
071 C00AA00   3461479
071 D00AA00   26
072 A00AA00  6
072 B00AA00     2450
072 C00AA00    40992
072 D00AA00        0
072 E00AA00      873
072 F00AA00    10954
072 G00AA00      649
072 H00AA00        0
072 I00AA00     2903
072 J00AA00       80
072 K00AA00        0
072 L00AA00       70
072 M00AA00       70
072 N00AA00      119
072 O00AA00        0
072 P00AA00        0
072 Q00AA00        0
072 R00AA00       18
072 S00AA00       45
072 T00AA00     5517
072 U00AA00        0
072 V00AA00        0
072 W00AA00      170
<PAGE>      PAGE  8
072 X00AA00    20595
072 Y00AA00       22
072 Z00AA00    23742
072AA00AA00        0
072BB00AA00   125434
072CC01AA00        0
072CC02AA00   860420
072DD01AA00    22948
072DD02AA00    16072
072EE00AA00        0
073 A01AA00   0.0000
073 A02AA00   0.0000
073 B00AA00   0.0000
073 C00AA00   0.0000
074 A00AA00    13121
074 B00AA00   282865
074 C00AA00   218005
074 D00AA00        0
074 E00AA00        0
074 F00AA00  2989342
074 G00AA00        0
074 H00AA00        0
074 I00AA00        0
074 J00AA00        0
074 K00AA00       20
074 L00AA00    35085
074 M00AA00      100
074 N00AA00  3538538
074 O00AA00   118839
074 P00AA00      475
074 Q00AA00        0
074 R01AA00        0
074 R02AA00        0
074 R03AA00        0
074 R04AA00   232341
074 S00AA00        0
074 T00AA00  3186883
074 U01AA00   127457
074 U02AA00    97827
074 V01AA00     0.00
074 V02AA00     0.00
074 W00AA00   0.0000
074 X00AA00   119216
074 Y00AA00        0
075 A00AA00        0
075 B00AA00  3409991
076  00AA00     0.00
077 A000000 N
078  000000 N
080 A00AA00 ICI MUTUAL INSURANCE CO
080 B00AA00 NONE
<PAGE>      PAGE  9
080 C00AA00    45000
081 A00AA00 Y
081 B00AA00  76
082 A00AA00 N
082 B00AA00        0
083 A00AA00 N
083 B00AA00        0
084 A00AA00 N
084 B00AA00        0
085 A00AA00 Y
085 B00AA00 N
086 A010000      0
086 A020000      0
086 B010000      0
086 B020000      0
086 C010000      0
086 C020000      0
086 D010000      0
086 D020000      0
086 E010000      0
086 E020000      0
086 F010000      0
086 F020000      0
086 A01AA00      0
086 A02AA00      0
086 B01AA00      0
086 B02AA00      0
086 C01AA00      0
086 C02AA00      0
086 D01AA00      0
086 D02AA00      0
086 E01AA00      0
086 E02AA00      0
086 F01AA00      0
086 F02AA00      0
SIGNATURE   MARK BRADLEY
TITLE       TREASURER