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


                                    Form 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended:       MARCH 31, 2003

Check here if Amendment |_|; Amendment Number: |_|

This Amendment (Check only one.):                |_| is a restatement.
                                                 |_| adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:        ALLSTATE LIFE INSURANCE COMPANY

Address:     3075 SANDERS ROAD, SUITE G4A
             NORTHBROOK, IL.  60062-7127

Form 13F File Number:   28-01037

The insttutional manager filing this report and the person by whom it is signed
hereby represent that the person signing the report is authorized to submit it,
that all information contained herein is true, correct and complete, and that it
is understood that all required items, statements, schedules, lists, and tables,
are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:        DOUG WELCH

Title:       ASSISTANT VICE PRESIDENT INVESTMENT OPERATIONS

Phone:       847-402-2170


Signature, Place, and Date of Signing:

 /s/  Doug Welch                 NORTHBROOK, IL.              5/12/2003
 -------------------------------------------------------------------------
    [Signature]                   [City, State]                [Date]

Report Type (Check only one.):

|X|   13F HOLDINGS REPORT. (Check here if all holdings of thius reporting
      manager are reported in this report.)

|_|   13F NOTICE. (Check here if no holdings reported are in this report, and
      all hgoldings are reported by other reporting manager(s).).)

|_|   13F COMBINATION REPORT. (Check here if a portion of the holdings for this
      reporting manager are reported in this report and a portion are reported
      by other reporting manager(s).)


List of Other Managers Reporting for this Manager:


FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: ONE -------------------- Form 13F Information Table Entry Total: 108 -------------------- Form 13F Information Table Value Total: 1,080,373 (THOUSAND) -------------------- List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. [If there are no entries in this list, state "NONE" and omit the column headings and list entries.] No. Form 13F File Number Name 1 028-10298 ALLSTATE INVESTMENTS LLC

FORM 13F REPORT NAME OF REPORTING MANAGER: ALLSTATE LIFE INSURANCE COMPANY VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE - ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- ------ BAXTER INTL COMMON STOCK 071813109 578 31,000 SH DEFINED 1 X CHEVRONTEXACO CORP COMMON STOCK 166764100 937 14,500 SH DEFINED 1 X EQUITY RESIDENTIAL SERIES G NON-REDEEM P/S 29476L859 2,499 100,000 SH DEFINED 1 X GENERAL MOTORS SERIES A REDEEMABLE P/S 370442741 5,269 220,000 SH DEFINED 1 X GENERAL MOTORS SERIES B REDEEMABLE P/S 370442733 10,624 468,000 SH DEFINED 1 X JOHNSON & JOHNSON COMMON STOCK 478160104 694 12,000 SH DEFINED 1 X NATIONAL AUSTRALIA BANK 7.875% CONVERTIB NON-REDEEM P/S 632525309 1,160 33,000 SH DEFINED 1 X NEW VALLEY CORP. WARRANTS WARRANTS 649080116 1 16,800 SH DEFINED 1 X OMNICOM GROUP COMMON STOCK 681919106 379 7,000 SH DEFINED 1 X SIMON PROPERTY GROUP 6.5% PFD B NON-REDEEM P/S 828806406 4,877 50,000 SH DEFINED 1 X TRAVELERS PPTY CASUALTY REDEEMABLE P/S 89420G307 6,485 289,500 SH DEFINED 1 X AFFILIATED COMPUTER SVCS INC DEBT 008190AF7 1,824 1,500,000 PRN DEFINED 1 X AFFILIATED MANAGERS DEBT 008252AC2 2,685 3,000,000 PRN DEFINED 1 X AFFIL MANAGERS DEBT 008252AD0 1,492 1,500,000 PRN DEFINED 1 X AGILENT TECH INC DEBT 00846UAB7 11,018 12,075,000 PRN DEFINED 1 X ALLERGAN INC DEBT 018490AD4 11,175 12,000,000 PRN DEFINED 1 X ALZA CORP. DEBT 02261WAB5 9,994 12,300,000 PRN DEFINED 1 X AMERICA ONLINE DEBT 02364JAC8 16,391 28,200,000 PRN DEFINED 1 X AMERICAN INTERNATIONAL GROUP DEBT 026874AN7 4,134 4,500,000 PRN DEFINED 1 X AMER INTL GROUP DEBT 026874AP2 24,527 38,175,000 PRN DEFINED 1 X AMGEN INC DEBT 031162AC4 28,889 37,950,000 PRN DEFINED 1 X AMGEN INC DEBT 031162AE0 6,052 7,950,000 PRN DEFINED 1 X ANADARKO PETROLEUM CORP DEBT 032511AP2 7,755 13,200,000 PRN DEFINED 1 X ANALOG DEVICES DEBT 032654AC9 2,379 2,355,000 PRN DEFINED 1 X ANALOG DEVICES DEBT 032654AD7 26,937 26,670,000 PRN DEFINED 1 X AON CORP DEBT 037389AQ6 12,771 10,500,000 PRN DEFINED 1 X APOGENT TECH DEBT 03760AAE1 9,887 10,050,000 PRN DEFINED 1 X BJ SERVICES CO DEBT 055482AE3 5,619 6,750,000 PRN DEFINED 1 X BAXTER INTL DEBT 071813AR0 9,838 9,900,000 PRN DEFINED 1 X BEST BUY DEBT 086516AD3 15,116 21,750,000 PRN DEFINED 1 X BUNGE LTD FINAC DEBT 120568AD2 10,380 9,600,000 PRN DEFINED 1 X CSX CORP DEBT 126408GA5 15,521 18,450,000 PRN DEFINED 1 X CARNIVAL CORP DEBT 143658AM4 624 600,000 PRN DEFINED 1 X CARNIVAL CORP DEBT 143658AN2 12,792 12,300,000 PRN DEFINED 1 X CARNIVAL CORP DEBT 143658AS1 10,305 18,000,000 PRN DEFINED 1 X CENDANT CORP DEBT 151313AF0 25,175 38,880,000 PRN DEFINED 1 X CENDANT CORP DEBT 151313AN3 16,238 15,900,000 PRN DEFINED 1 X CENTURYTEL INC DEBT 156700AE6 8,824 7,800,000 PRN DEFINED 1 X CHIRON CORP DEBT 170040AE9 15,051 25,950,000 PRN DEFINED 1 X CLEAR CHANNEL COMM., INC., CONVERTIBLE DEBT 184502AB8 12,403 12,450,000 PRN DEFINED 1 X COMPUTER ASSOC DEBT 204912AP4 12,651 12,150,000 PRN DEFINED 1 X COMPUTER ASSOC DEBT 204912AR0 12,600 12,000,000 PRN DEFINED 1 X COSTCO DEBT 22160QAC6 13,518 18,840,000 PRN DEFINED 1 X COX COMMUNICATION DEBT 224044AX5 8,953 18,750,000 PRN DEFINED 1 X DEVON ENERGY CORP DEBT 25179MAA1 3,060 3,000,000 PRN DEFINED 1 X DIAMOND OFFSHORE DEBT 25271CAD4 12,617 13,770,000 PRN DEFINED 1 X DIAMOND OFFSHORE DEBT 25271CAE2 4,810 5,250,000 PRN DEFINED 1 X ELEC DATA SYSTEM DEBT 285661AB0 7,231 9,300,000 PRN DEFINED 1 X FIRST DATA DEBT 319963AD6 15,284 13,800,000 PRN DEFINED 1 X GATX CORP DEBT 361448AB9 2,891 3,000,000 PRN DEFINED 1 X GEN MILLS INC DEBT 370334AT1 33,131 46,500,000 PRN DEFINED 1 X GREATER BAY DEBT 391648AJ1 5,659 9,000,000 PRN DEFINED 1 X GTECH HOLDINGS DEBT 400518AB2 2,096 1,500,000 PRN DEFINED 1 X HARRIS CORP DEBT 413875AG0 6,434 6,150,000 PRN DEFINED 1 X HARRIS CORP DEBT 413875AH8 1,256 1,200,000 PRN DEFINED 1 X HEALTH MGMT ASSO DEBT 421933AD4 5,220 6,000,000 PRN DEFINED 1 X HEWLETT PACKARD CO CONV DEBT 428236AC7 7,219 15,000,000 PRN DEFINED 1 X HORACE MANN DEBT 440327AG9 7,308 16,800,000 PRN DEFINED 1 X INCO LTD CONV DEBT 453258AK1 5,727 5,670,000 PRN DEFINED 1 X INCO LTD DEBT 453258AM7 5,738 9,000,000 PRN DEFINED 1 X INTL PAPER CO DEBT 460146BM4 28,538 54,750,000 PRN DEFINED 1 X INTERPUBLIC GRP DEBT 460690AS9 4,355 3,750,000 PRN DEFINED 1 X IVAX CORP DEBT 465823AD4 8,144 8,550,000 PRN DEFINED 1 X JMH FINANCE LIMITED DEBT 46621WAA9 3,778 3,750,000 PRN DEFINED 1 X JONES APPAREL DEBT 480081AD0 19,829 36,300,000 PRN DEFINED 1 X Kerr-McGee DEBT 492386AP2 13,547 12,780,000 PRN DEFINED 1 X LABORATORY CORP OF AMERICA DEBT 50540RAB8 10,414 14,850,000 PRN DEFINED 1 X LABORATORY CP DEBT 50540RAC6 6,311 9,000,000 PRN DEFINED 1 X LEGG MASON DEBT 524901AE5 4,632 9,150,000 PRN DEFINED 1 X LEGG MASON INC DEBT 524901AG0 3,038 6,000,000 PRN DEFINED 1 X LIBERTY MEDIA / AT&T CORP DEBT 530715AG6 12,029 21,150,000 PRN DEFINED 1 X LIBERTY MEDIA DEBT 530715AM3 3,870 6,000,000 PRN DEFINED 1 X LIBERTY MEDIA DEBT 530715AN1 2,419 3,750,000 PRN DEFINED 1 X LIBERTY MEDIA DEBT 530715AP6 12,293 13,200,000 PRN DEFINED 1 X LIBERTY MEDIA DEBT 530715AR2 6,705 7,200,000 PRN DEFINED 1 X LIBERTY MEDIA DEBT 530718AB1 25,920 27,000,000 PRN DEFINED 1 X LOWES COMPANIES DEBT 548661CD7 10,010 13,215,000 PRN DEFINED 1 X LOWES COMPANIES DEBT 548661CF2 12,499 16,500,000 PRN DEFINED 1 X MASCO CORP DEBT 574599AW6 23,940 57,000,000 PRN DEFINED 1 X MEDICIS PHARMACE DEBT 58470KAA2 2,694 2,250,000 PRN DEFINED 1 X MEDTRONIC INC DEBT 585055AB2 38,468 36,900,000 PRN DEFINED 1 X MERRILL LYNCH DEBT 590188A73 57,990 59,550,000 PRN DEFINED 1 X MORGAN STANLEY DEBT 617446GR4 6,553 7,500,000 PRN DEFINED 1 X NABORS DEBT 629568AF3 3,893 6,000,000 PRN DEFINED 1 X NEWS AMER INC DEBT 652482AZ3 4,013 7,500,000 PRN DEFINED 1 X OMNICOM GROUP DEBT 681919AM8 19,098 19,050,000 PRN DEFINED 1 X PMI GROUP INC DEBT 69344MAE1 10,570 10,350,000 PRN DEFINED 1 X RADIAN GROUP DEBT 750236AE1 4,528 4,500,000 PRN DEFINED 1 X RADIAN GROUP DEBT 750236AF8 4,528 4,500,000 PRN DEFINED 1 X SALOMON SB HLDGS DEBT 79548EKL5 6,030 6,000,000 PRN DEFINED 1 X SELECTIVE INS GP DEBT 816300AA5 2,513 6,000,000 PRN DEFINED 1 X STMICROELECTRON DEBT 861012AB8 13,984 16,050,000 PRN DEFINED 1 X SUPERVALU INC DEBT 868536AP8 8,663 30,000,000 PRN DEFINED 1 X TJX COMPANIES DEBT 872540AL3 4,673 6,000,000 PRN DEFINED 1 X TEVA PHARMACEUT DEBT 88163VAB5 15,440 14,100,000 PRN DEFINED 1 X TEVA PHARM FIN DEBT 88164MAA6 6,244 5,550,000 PRN DEFINED 1 X THERMO INSTR SYS INC., CONVERTIBLE DEBT 883556AH5 16,521 16,500,000 PRN DEFINED 1 X 3M CO DEBT 88579YAA9 3,220 3,750,000 PRN DEFINED 1 X TRANSOCEAN SEDCO FOREX DEBT 893830AD1 16,356 17,400,000 PRN DEFINED 1 X UNITED PARCEL DEBT 911312AB2 9,498 9,300,000 PRN DEFINED 1 X UNIV HEALTH SVCS DEBT 913903AL4 9,341 15,600,000 PRN DEFINED 1 X VERIZON GLOBAL DEBT 92344GAN6 6,332 10,800,000 PRN DEFINED 1 X VERIZON GLOBAL DEBT 92344GAP1 17,983 30,675,000 PRN DEFINED 1 X WATSON PHARM INC DEBT 942683AB9 4,562 4,500,000 PRN DEFINED 1 X WORLD COLOR PRESS, INC., CONVERTIBLE DEBT 981443AA2 2,951 3,000,000 PRN DEFINED 1 X XL CAPITAL LTD DEBT 98372PAB4 21,357 33,900,000 PRN DEFINED 1 X XCEL ENERGY INC DEBT 98389BAA8 3,066 2,250,000 PRN DEFINED 1 X YOUNG & RUBICAM DEBT 987425AC9 4,331 4,500,000 PRN DEFINED 1 X REPORT TOTALS 108 1,080,373