================================================================================

                       SECURITIES AND EXCHANGE COMMISSION

                              Washington, DC 20549

                                   ----------

                                    FORM 8-K

                                 CURRENT REPORT
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

       Date of report (Date of earliest event reported): December 20, 2005

                               POLYONE CORPORATION
               --------------------------------------------------
               (Exact name of registrant as specified in charter)

              Ohio                      1-16091                34-1730488
  ----------------------------        ------------         -------------------
  (State or other jurisdiction        (Commission           (I.R.S. Employer
       of incorporation)              File Number)         Identification No.)

  PolyOne Center, 33587 Walker Road, Avon Lake, Ohio              44012
  --------------------------------------------------            ----------
       (Address of principal executive offices)                 (Zip Code)

       Registrant's telephone number, including area code: (440) 930-1000


         --------------------------------------------------------------
         (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing requirements of the registrant under any of
the following provisions:

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13E-4(c))

================================================================================



Item 7.01 - Regulation FD Disclosure.

On December 20, 2005, the Registrant issued a press release, furnished herewith
as Exhibit 99.1, updating its fourth-quarter 2005 financial outlook. The press
release shall not be deemed to be "filed" under the Securities Exchange Act of
1934.

Item 9.01.  Financial Statements and Exhibits.

   (c) Exhibits.

        Exhibit 99.1 - Press release dated December 20, 2005, furnished
herewith.



                                    SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                                      POLYONE CORPORATION

                                                      By:  /s/ Michael J. Meier
                                                           ---------------------
                                                           Michael J. Meier
                                                           Corporate Controller

Dated: December 20, 2005