FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Horn J Scott 2. Date of Event Requiring Statement (Month/Day/Year) 07/03/2017 3. Issuer Name and Ticker or Trading Symbol POLYONE CORP [POL] (Last) (First) (Middle) POLYONE CENTER, 33587 WALKER ROAD 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP, President Distribution 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) AVON LAKE, OH 44012 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 3,664 D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	  (1)	02/04/2018	Common Stock	912 (2)	$ (1)	D	Â
Restricted Stock Units	  (3)	02/10/2019	Common Stock	1,113 (2)	$ (3)	D	Â
Restricted Stock Units	  (4)	02/15/2020	Common Stock	1,065 (2)	$ (4)	D	Â
Stock Appreciation Rights	  (5)	02/14/2022	Common Stock	1,000	$ 14.61	D	Â
Stock Appreciation Rights	  (6)	02/15/2023	Common Stock	3,600	$ 23.08	D	Â
Stock Appreciation Rights	  (7)	02/11/2024	Common Stock	2,400	$ 35.07	D	Â
Stock Appreciation Rights	  (8)	02/04/2025	Common Stock	2,440	$ 38.27	D	Â
Stock Appreciation Rights	  (9)	02/10/2026	Common Stock	3,290	$ 24.98	D	Â
Stock Appreciation Rights	  (10)	02/15/2027	Common Stock	3,190	$ 34.1	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Horn J Scott POLYONE CENTER 33587 WALKER ROAD AVON LAKE, OH 44012	Â	Â	  SVP, President Distribution	Â

Signatures

/s/ Lisa K. Kunkle, Power of Attorney For: J. Scott Horn		07/05/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The restricted stock units vest 3 years from the grant date on February 4, 2018.
(2)	The restricted stock units include all dividend equivalents acquired since the date of grant. Dividend equivalents are subject to the same restrictions as the underlying grant of restricted stock units.
(3)	The restricted stock units vest 3 years from the grant date on February 10, 2019.
(4)	The restricted stock units vest 3 years from the grant date on February 15, 2020.
(5)	SARs become exercisable and vest one-third on the attainment of 10%, 15% and 20% stock appreciation (which must be maintained for a minimum of thirty consecutive trading days) from the grant date closing price of $14.61 per share, with no more than one-third vesting per year during the first three years.
(6)	SARs become exercisable and vest only upon the achievement of both price and time requirements. To vest, each one-third of the grant must attain 10%, 15% and 20% stock appreciation, respectively (which must be maintained for a minimum of thirty consecutive trading days) from the grant date closing price of $23.08 per share and no more than one-third of the grant can vest per year during the first three years.
(7)	SARs become exercisable and vest only upon the achievement of both price and time requirements. To vest, each one-third of the grant must attain 10%, 15% and 20% stock appreciation, respectively (which must be maintained for a minimum of thirty consecutive trading days) from the grant date closing price of $35.07 per share and no more than one-third of the grant can vest per year during the first three years.
(8)	SARs become exercisable and vest only upon the achievement of both price and time requirements. To vest, each one-third of the grant must attain 10%, 15% and 20% stock appreciation, respectively (which must be maintained for a minimum of thirty consecutive trading days) from the grant date closing price of $38.27 per share and no more than one-third of the grant can vest per year during the first three years.
(9)	SARs become exercisable and vest only upon the achievement of both price and time requirements. To vest, each one-third of the grant must attain 10%, 15% and 20% stock appreciation, respectively (which must be maintained for a minimum of thirty consecutive trading days) from the grant date closing price of $24.98 per share and no more than one-third of the grant can vest per year during the first three years.
(10)	SARs become exercisable and vest only upon the achievement of both price and time requirements. To vest, each one-third of the grant must attain 10%, 15% and 20% stock appreciation, respectively (which must be maintained for a minimum of thirty consecutive trading days) from the grant date closing price of $34.10 per share and no more than one-third of the grant can vest per year during the first three years.

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