FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: June 30, 2010

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:    Continental Casualty Company
Address: 333 S. Wabash
	 Chicago, IL 60604


13F File Number:  28-387

The institutional investment 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:  Karla Kambic Lammers
Title: Vice President and Associate General Counsel
Phone: (312) 822 1337
Signature, Place, and Date of Signing:

/s/ Karla Kambic Lammers           Chicago, IL                        08/16/2010
---------------------------------  ---------------------------------  ----------
[Signature]                        [City, State]                      [Date]



The securities on which Continental Casualty Company exercises
shared investment discretion have been reported upon by CNA
Financial Corporation on behalf of Continental Casualty Company.

Report Type (Check only one.):

 [    ]              13F HOLDINGS REPORT.

 [  x ]              13F NOTICE.

 [    ]              13F COMBINATION REPORT.

List of Other Managers Reporting for this Manager:

CNAF Financial Corporation