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

                                    Form 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended:  SEPTEMBER 30, 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 institutional 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.                   11/12/2003
      -------------------------     -------------------         ----------------
              [Signature]              [City, State]                 [Date]

|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: 77 Form 13F Information Table Value Total: 261,864 (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 TITLE OF VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE - ----------------------------- ------------ --------- -------- ---------- --- ---- ------- ---------- ---- ------ ---- BAXTER INTERNATIONAL, INC. COMMON STOCK 071813109 901 31,000 SH DEFINED 1 X ELECTRONIC DATA SYSTEMS CORP. COMMON STOCK 285661104 1,061 52,500 SH DEFINED 1 X EQUITY RESIDENTIAL SERIES G NON-REDEEM P/S 29476L859 2,608 100,000 SH DEFINED 1 X GENERAL MOTORS CORP REDEEMABLE P/S 370442717 7,007 260,000 SH DEFINED 1 X GENERAL MOTORS SERIES A REDEEMABLE P/S 370442741 5,423 220,000 SH DEFINED 1 X JOHNSON & JOHNSON COMMON STOCK 478160104 2,129 43,000 SH DEFINED 1 X MOTOROLA INC NON-REDEEM P/S 620076208 758 20,000 SH DEFINED 1 X NEW VALLEY CORP. WARRANTS WARRANTS 649080116 1 16,800 SH DEFINED 1 X TRAVELERS PPTY CASUALTY REDEEMABLE P/S 89420G307 7,800 340,000 SH DEFINED 1 X AFFILIATED COMPUTER SVCS INC DEBT 008190AF7 2,969 2,500,000 PRN DEFINED 1 X AFFILIATED MANAGERS DEBT 008252AC2 940 1,000,000 PRN DEFINED 1 X AMER INTL GROUP DEBT 026874AP2 6,370 9,725,000 PRN DEFINED 1 X AMERICA ONLINE DEBT 02364JAC8 5,793 9,400,000 PRN DEFINED 1 X AMERICAN INTERNATIONAL GROUP DEBT 026874AN7 3,281 3,500,000 PRN DEFINED 1 X AMGEN INC DEBT 031162AE0 2,017 2,650,000 PRN DEFINED 1 X AON CORP DEBT 037389AQ6 4,056 3,500,000 PRN DEFINED 1 X APOGENT TECH DEBT 03760AAE1 2,344 2,350,000 PRN DEFINED 1 X ARROW ELECTRONIC DEBT 042735AY6 4,229 8,500,000 PRN DEFINED 1 X BEST BUY DEBT 086516AD3 4,329 5,850,000 PRN DEFINED 1 X BJ SERVICES CO DEBT 055482AF0 3,673 4,500,000 PRN DEFINED 1 X CARNIVAL CORP DEBT 143658AN2 2,524 2,300,000 PRN DEFINED 1 X CARNIVAL CORP DEBT 143658AS1 3,795 6,000,000 PRN DEFINED 1 X CENDANT CORP DEBT 151313AF0 1,703 2,500,000 PRN DEFINED 1 X CENDANT CORP DEBT 151313AN3 6,905 6,600,000 PRN DEFINED 1 X CENTURYTEL INC DEBT 156700AH9 1,156 1,000,000 PRN DEFINED 1 X CHIRON CORP DEBT 170040AE9 1,989 3,400,000 PRN DEFINED 1 X COMPUTER ASSOC DEBT 204912AR0 7,975 6,200,000 PRN DEFINED 1 X COSTCO DEBT 22160QAC6 3,606 5,000,000 PRN DEFINED 1 X CSX CORP DEBT 126408GA5 5,058 6,150,000 PRN DEFINED 1 X DEVON ENERGY CORP DEBT 25179MAA1 6,614 6,500,000 PRN DEFINED 1 X DEVON ENERGY CORP. DEBT 25179MAB9 2,035 2,000,000 PRN DEFINED 1 X DIAMOND OFFSHORE DEBT 25271CAE2 3,422 3,750,000 PRN DEFINED 1 X DISNEY (WALT) CO DEBT 254687AU0 8,170 8,000,000 PRN DEFINED 1 X DUKE ENERGY CORP DEBT 264399EJ1 6,889 6,950,000 PRN DEFINED 1 X FIRST DATA DEBT 319963AD6 4,158 3,850,000 PRN DEFINED 1 X GATX CORP DEBT 361448AC7 522 500,000 PRN DEFINED 1 X GEN MILLS INC DEBT 370334AU8 1,059 1,500,000 PRN DEFINED 1 X GREATER BAY DEBT 391648AJ1 1,943 3,000,000 PRN DEFINED 1 X GTECH HOLDINGS DEBT 400518AB2 806 500,000 PRN DEFINED 1 X HARRIS CORP DEBT 413875AH8 430 400,000 PRN DEFINED 1 X HEALTH MGMT ASSO DEBT 421933AD4 753 850,000 PRN DEFINED 1 X HEWLETT PACKARD CO CONV DEBT 428236AC7 2,688 5,000,000 PRN DEFINED 1 X HORACE MANN DEBT 440327AG9 2,492 5,600,000 PRN DEFINED 1 X INTL PAPER CO DEBT 460146BM4 8,739 16,450,000 PRN DEFINED 1 X IVAX CORP DEBT 465823AD4 3,060 3,000,000 PRN DEFINED 1 X IVAX CORP DEBT 465823AG7 1,472 1,500,000 PRN DEFINED 1 X JONES APPAREL DEBT 480081AD0 6,640 12,100,000 PRN DEFINED 1 X KERR-MCGEE DEBT 492386AP2 2,773 2,660,000 PRN DEFINED 1 X LABORATORY CP DEBT 50540RAC6 2,089 3,000,000 PRN DEFINED 1 X LEGG MASON INC DEBT 524901AG0 1,200 2,000,000 PRN DEFINED 1 X LIBERTY MEDIA DEBT 530715AN1 770 1,000,000 PRN DEFINED 1 X LIBERTY MEDIA DEBT 530715AR2 3,458 3,565,000 PRN DEFINED 1 X LIBERTY MEDIA / AT&T CORP DEBT 530715AG6 2,816 4,250,000 PRN DEFINED 1 X LOWES COMPANIES DEBT 548661CF2 3,876 4,500,000 PRN DEFINED 1 X LOWES COMPANIES DEBT 548661CG0 1,041 1,000,000 PRN DEFINED 1 X MASCO CORP DEBT 574599AW6 6,563 15,000,000 PRN DEFINED 1 X MEDTRONIC INC DEBT 585055AB2 11,568 11,300,000 PRN DEFINED 1 X MERRILL LYNCH DEBT 590188A65 3,478 6,500,000 PRN DEFINED 1 X MERRILL LYNCH DEBT 590188A73 3,870 3,800,000 PRN DEFINED 1 X MORGAN STANLEY DEBT 617446GR4 2,275 2,500,000 PRN DEFINED 1 X NEWS AMER INC DEBT 652482AZ3 4,153 7,500,000 PRN DEFINED 1 X ODYSSEY RE HLDGS DEBT 67612WAB4 2,330 2,000,000 PRN DEFINED 1 X OMNICOM GROUP DEBT 681919AM8 3,975 4,000,000 PRN DEFINED 1 X PMI GROUP INC DEBT 69344MAE1 4,177 3,950,000 PRN DEFINED 1 X QUEST DIAGNOSTIC DEBT 74834LAF7 2,018 2,000,000 PRN DEFINED 1 X RADIAN GROUP DEBT 750236AF8 1,541 1,500,000 PRN DEFINED 1 X STMICROELECTRON DEBT 861012AB8 1,778 2,000,000 PRN DEFINED 1 X SUPERVALU INC DEBT 868536AP8 1,550 5,000,000 PRN DEFINED 1 X TEVA PHARMACEUT DEBT 88163VAB5 5,155 3,950,000 PRN DEFINED 1 X TJX COMPANIES DEBT 872540AL3 1,563 2,000,000 PRN DEFINED 1 X TRANSOCEAN SEDCO FOREX DEBT 893830AD1 3,898 4,050,000 PRN DEFINED 1 X UNIV HEALTH SVCS DEBT 913903AL4 4,196 6,700,000 PRN DEFINED 1 X VERIZON GLOBAL DEBT 92344GAN6 2,151 3,600,000 PRN DEFINED 1 X WEATHERFORD INT'L DEBT 947074AB6 1,681 2,700,000 PRN DEFINED 1 X WORLD COLOR PRESS, INC., CONVERTIBLE DEBT 981443AA2 1,013 1,000,000 PRN DEFINED 1 X XL CAPITAL LTD DEBT 98372PAB4 8,128 12,800,000 PRN DEFINED 1 X YOUNG & RUBICAM DEBT 987425AC9 2,488 2,500,000 PRN DEFINED 1 X - ----------------------------------------------------------------- "STOCK" 9 27,688 - ----------------------------------------------------------------- DEBT 68 234,176 - ----------------------------------------------------------------- REPORT TOTALS 77 261,864 - -----------------------------------------------------------------