    <SEC-DOCUMENT>0001157523-18-000049-index.html : 20180110
    <SEC-HEADER>0001157523-18-000049.hdr.sgml : 20180110
    <ACCEPTANCE-DATETIME>20180110060118
    ACCESSION NUMBER:		0001157523-18-000049
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		33
    CONFORMED PERIOD OF REPORT:	20180110
    FILED AS OF DATE:		20180110
    DATE AS OF CHANGE:		20180110

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ICON PLC
    		CENTRAL INDEX KEY:			0001060955
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
    		IRS NUMBER:				981067160

    	FILING VALUES:
    		FORM TYPE:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	333-08704
    		FILM NUMBER:		18520255

    	BUSINESS ADDRESS:
    		STREET 1:		SOUTH COUNTY BUSINESS PARK
    		STREET 2:		LEOPARDSTOWN
    		CITY:			DUBLIN 18
    		STATE:			L2
    		ZIP:			00000
    		BUSINESS PHONE:		00 353 1 291 2000

    	MAIL ADDRESS:
    		STREET 1:		SOUTH COUNTY BUSINESS PARK
    		STREET 2:		LEOPARDSTOWN
    		CITY:			DUBLIN 18
    		STATE:			L2
    		ZIP:			00000

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ICON PLC  /ADR/
    		DATE OF NAME CHANGE:	20010213
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>6-K
    <SEQUENCE>1
    <FILENAME>a51740578.htm
    <DESCRIPTION>ICON PLC 6-K
    <TEXT>
    Document 1 - file: a51740578.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>a51740578ex99_1.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: a51740578ex99_1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>a51740578ex99_2.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: a51740578ex99_2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.3
    <SEQUENCE>4
    <FILENAME>a51740578ex99_3.htm
    <DESCRIPTION>EXHIBIT 99.3
    <TEXT>
    Document 4 - file: a51740578ex99_3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.4
    <SEQUENCE>5
    <FILENAME>a51740578ex99_4.htm
    <DESCRIPTION>EXHIBIT 99.4
    <TEXT>
    Document 5 - file: a51740578ex99_4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.5
    <SEQUENCE>6
    <FILENAME>a51740578ex99_5.htm
    <DESCRIPTION>EXHIBIT 99.5
    <TEXT>
    Document 6 - file: a51740578ex99_5.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.6
    <SEQUENCE>7
    <FILENAME>a51740578ex99_6.htm
    <DESCRIPTION>EXHIBIT 99.6
    <TEXT>
    Document 7 - file: a51740578ex99_6.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.7
    <SEQUENCE>8
    <FILENAME>a51740578ex99_7.htm
    <DESCRIPTION>EXHIBIT 99.7
    <TEXT>
    Document 8 - file: a51740578ex99_7.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.8
    <SEQUENCE>9
    <FILENAME>a51740578ex99_8.htm
    <DESCRIPTION>EXHIBIT 99.8
    <TEXT>
    Document 9 - file: a51740578ex99_8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.9
    <SEQUENCE>10
    <FILENAME>a51740578ex99_9.htm
    <DESCRIPTION>EXHIBIT 99.9
    <TEXT>
    Document 10 - file: a51740578ex99_9.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.10
    <SEQUENCE>11
    <FILENAME>a51740578ex99_10.htm
    <DESCRIPTION>EXHIBIT 99.10
    <TEXT>
    Document 11 - file: a51740578ex99_10.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.11
    <SEQUENCE>12
    <FILENAME>a51740578ex99_11.htm
    <DESCRIPTION>EXHIBIT 99.11
    <TEXT>
    Document 12 - file: a51740578ex99_11.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.12
    <SEQUENCE>13
    <FILENAME>a51740578ex99_12.htm
    <DESCRIPTION>EXHIBIT 99.12
    <TEXT>
    Document 13 - file: a51740578ex99_12.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.13
    <SEQUENCE>14
    <FILENAME>a51740578ex99_13.htm
    <DESCRIPTION>EXHIBIT 99.13
    <TEXT>
    Document 14 - file: a51740578ex99_13.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.14
    <SEQUENCE>15
    <FILENAME>a51740578ex99_14.htm
    <DESCRIPTION>EXHIBIT 99.14
    <TEXT>
    Document 15 - file: a51740578ex99_14.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.15
    <SEQUENCE>16
    <FILENAME>a51740578ex99_15.htm
    <DESCRIPTION>EXHIBIT 99.15
    <TEXT>
    Document 16 - file: a51740578ex99_15.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.16
    <SEQUENCE>17
    <FILENAME>a51740578ex99_16.htm
    <DESCRIPTION>EXHIBIT 99.16
    <TEXT>
    Document 17 - file: a51740578ex99_16.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>redemption1.jpg
    <TEXT>
    Document 18 - file: redemption1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>redemption2.jpg
    <TEXT>
    Document 19 - file: redemption2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>redemption3.jpg
    <TEXT>
    Document 20 - file: redemption3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>redemption4.jpg
    <TEXT>
    Document 21 - file: redemption4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>redemption5.jpg
    <TEXT>
    Document 22 - file: redemption5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>redemption6.jpg
    <TEXT>
    Document 23 - file: redemption6.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>redemption7.jpg
    <TEXT>
    Document 24 - file: redemption7.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>redemption8.jpg
    <TEXT>
    Document 25 - file: redemption8.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>redemption9.jpg
    <TEXT>
    Document 26 - file: redemption9.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>redemption10.jpg
    <TEXT>
    Document 27 - file: redemption10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>redemption11.jpg
    <TEXT>
    Document 28 - file: redemption11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>redemption12.jpg
    <TEXT>
    Document 29 - file: redemption12.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>redemption13.jpg
    <TEXT>
    Document 30 - file: redemption13.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>redemption14.jpg
    <TEXT>
    Document 31 - file: redemption14.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>redemption15.jpg
    <TEXT>
    Document 32 - file: redemption15.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>redemption16.jpg
    <TEXT>
    Document 33 - file: redemption16.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>