Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN 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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1. Name and Address of Reporting Person *
SMITH BRUCE M
 2. Issuer Name and Ticker or Trading Symbol
SMITH A O CORP [AOS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)

A. O. SMITH CORPORATION, 11270 WEST PARK PLACE		 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2017
(Street)


MILWAUKEE, WI 53224		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Reporting
(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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Common Stock             15,892 (1) D  
Common Stock             2,400 I In Trust (2)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units $ 0             (3)   (3) Common Stock
0
  118,514 (4)
D
 
Class A Common Stock $ 0 (5) 12/05/2017   G   365   (6)   (7) Common Stock
365
$ 0 453,599
I
In trust (2)
Class A Common Stock $ 0 (5) 12/06/2017   G   450   (6)   (7) Common Stock
450
$ 0 453,149
I
In trust (2)
Class A Common Stock $ 0 (5) 12/08/2017   G   748   (6)   (7) Common Stock
748
$ 0 452,401
I
In trust (2)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
SMITH BRUCE M
A. O. SMITH CORPORATION
11270 WEST PARK PLACE
MILWAUKEE, WI 53224		   X      

Signatures

James F. Stern, Attorney-in-Fact for Bruce M. Smith 02/07/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) Shares deferred under the A. O. Smith Non-qualified Deferred Compensation Plan.
(2) The reporting person beneficially owns these shares as settlor of a revocable family trust.
(3) The Plan permits the participant to defer receipt of the award and Mr. Smith has made a deferral.
(4) The Restricted Stock Units receive a quarterly dividend pursuant to a dividend reinvestment feature of the A. O. Smith Non-qualified Deferred Compensation Plan. The total amount of dividends received was 1,216 units of Restricted Stock Units.
(5) Gift
(6) Convertible at any time into Common Stock.
(7) None.

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