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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
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                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

Weitz Andy	2. Issuer Name and Ticker or Trading Symbol

Aon plc [ AON ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chief Marketing Officer	
(Last)         (First)         (Middle)

200 EAST RANDOLPH ST.	3. Date of Earliest Transaction (MM/DD/YYYY)

2/13/2020		
(Street)

CHICAGO, IL 60601
(City)       (State)       (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)

 	6. Individual or Joint/Group Filing (Check Applicable Line)

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person	

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned	
1.Title of Security
(Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code
(Instr. 8)	4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)	5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)	
			Code	V	Amount	(A) or (D)	Price				
Class A Ordinary Stock 	2/13/2020 	 	A(1)	  	5908 	A	 (1)	17557 	D 	 	
Class A Ordinary Stock 	2/13/2020 	 	F(2)	  	1439 	D	$234.58 	16118 	D 	 	
Class A Ordinary Stock 	2/14/2020 	 	M(3)	  	331 	A	 (3)	16449 	D 	 	
Class A Ordinary Stock 	2/14/2020 	 	F(2)	  	131 	D	$235.73 	16318 	D 	 	
Class A Ordinary Stock 	2/14/2020 	 	M(3)	  	447 	A	 (3)	16765 	D 	 	
Class A Ordinary Stock 	2/14/2020 	 	F(2)	  	176 	D	$235.73 	16589 	D 	 	

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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	7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)	8. Price of Derivative Security
(Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)	
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares					
Restrictive Share Unit (Right to Receive) 	 (4)	2/13/2020 	 	A 	  	448  	  	 (5)	2/13/2023 (5)	Class A Ordinary Shares 	448 	$0.00 	448 	D 	 	
Restrictive Share Unit (Right to Receive) 	 (4)	2/14/2020 	 	M 	  	  	331  	 (6)	2/15/2021 (6)	Class A Ordinary Shares 	331 	$0.00 	332 	D 	 	
Restrictive Share Unit (Right to Receive) 	 (4)	2/14/2020 	 	M 	  	  	447  	 (7)	2/14/2022 (7)	Class A Ordinary Shares 	447 	$0.00 	894 	D 	 	

Explanation of Responses:	
(1) 	Represents Class A Ordinary Shares issued upon the settlement of performance share unit awards originally granted approximately three years ago under the twelfth cycle of the Company's Leadership Performance Program. The number of shares issued was determined by the Organization and Compensation Committee of the Board of Directors on February 13, 2020, based on the Company's performance for the period from January 1, 2017 to December 31, 2019.	
(2) 	Class A Ordinary Shares withheld by the issuer for payment of withholding taxes in connection with the vesting of the award.	
(3) 	Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.	
(4) 	The restricted share unit award converts to Class A Ordinary Shares on a 1-for-1 basis. In accordance with U.K. law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.	
(5) 	The restricted share unit award vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan as follows: 33 1/3% of the award vests on each of the first through third anniversary of the date of the grant.	
(6) 	A restricted share unit award was granted on February 15, 2018 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan: 33 1/3% of the award vests on each of the first through third anniversary of the date of grant.	
(7) 	A restricted share unit award was granted on February 14, 2019 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan: 33 1/3% of the award vests on each of the first through third anniversary of the date of grant.	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Weitz Andy
200 EAST RANDOLPH ST.
CHICAGO, IL 60601			Chief Marketing Officer		

Signatures		
/s/ Molly Johnson, pursuant to a power of attorney from Andy Weitz		2/18/2020	
**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
*	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).	
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
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