    <SEC-DOCUMENT>0001580808-19-000002-index.html : 20190207
    <SEC-HEADER>0001580808-19-000002.hdr.sgml : 20190207
    <ACCEPTANCE-DATETIME>20190207161514
    ACCESSION NUMBER:		0001580808-19-000002
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		31
    CONFORMED PERIOD OF REPORT:	20190207
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20190207
    DATE AS OF CHANGE:		20190207

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			A10 Networks, Inc.
    		CENTRAL INDEX KEY:			0001580808
    		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER COMMUNICATIONS EQUIPMENT [3576]
    		IRS NUMBER:				201446869
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36343
    		FILM NUMBER:		19575346

    	BUSINESS ADDRESS:
    		STREET 1:		3 WEST PLUMERIA DRIVE
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95134
    		BUSINESS PHONE:		(408) 325-8668

    	MAIL ADDRESS:
    		STREET 1:		3 WEST PLUMERIA DRIVE
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95134
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>q420188-kpressrelease.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: q420188-kpressrelease.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>q42018exhibit991pressrelea.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: q42018exhibit991pressrelea.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>q42018exhibit992earnings.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: q42018exhibit992earnings.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>a10logoa01a20.jpg
    <DESCRIPTION>LOGO
    <TEXT>
    Document 4 - file: a10logoa01a20.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>q42018exhibit992earnings001.jpg
    <TEXT>
    Document 5 - file: q42018exhibit992earnings001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>q42018exhibit992earnings002.jpg
    <TEXT>
    Document 6 - file: q42018exhibit992earnings002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>q42018exhibit992earnings003.jpg
    <TEXT>
    Document 7 - file: q42018exhibit992earnings003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>q42018exhibit992earnings004.jpg
    <TEXT>
    Document 8 - file: q42018exhibit992earnings004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>q42018exhibit992earnings005.jpg
    <TEXT>
    Document 9 - file: q42018exhibit992earnings005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>q42018exhibit992earnings006.jpg
    <TEXT>
    Document 10 - file: q42018exhibit992earnings006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>q42018exhibit992earnings007.jpg
    <TEXT>
    Document 11 - file: q42018exhibit992earnings007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>q42018exhibit992earnings008.jpg
    <TEXT>
    Document 12 - file: q42018exhibit992earnings008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>q42018exhibit992earnings009.jpg
    <TEXT>
    Document 13 - file: q42018exhibit992earnings009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>q42018exhibit992earnings010.jpg
    <TEXT>
    Document 14 - file: q42018exhibit992earnings010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>q42018exhibit992earnings011.jpg
    <TEXT>
    Document 15 - file: q42018exhibit992earnings011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>q42018exhibit992earnings012.jpg
    <TEXT>
    Document 16 - file: q42018exhibit992earnings012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>q42018exhibit992earnings013.jpg
    <TEXT>
    Document 17 - file: q42018exhibit992earnings013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>q42018exhibit992earnings014.jpg
    <TEXT>
    Document 18 - file: q42018exhibit992earnings014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>q42018exhibit992earnings015.jpg
    <TEXT>
    Document 19 - file: q42018exhibit992earnings015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>q42018exhibit992earnings016.jpg
    <TEXT>
    Document 20 - file: q42018exhibit992earnings016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>q42018exhibit992earnings017.jpg
    <TEXT>
    Document 21 - file: q42018exhibit992earnings017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>q42018exhibit992earnings018.jpg
    <TEXT>
    Document 22 - file: q42018exhibit992earnings018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>q42018exhibit992earnings019.jpg
    <TEXT>
    Document 23 - file: q42018exhibit992earnings019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>q42018exhibit992earnings020.jpg
    <TEXT>
    Document 24 - file: q42018exhibit992earnings020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>q42018exhibit992earnings021.jpg
    <TEXT>
    Document 25 - file: q42018exhibit992earnings021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>q42018exhibit992earnings022.jpg
    <TEXT>
    Document 26 - file: q42018exhibit992earnings022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>q42018exhibit992earnings023.jpg
    <TEXT>
    Document 27 - file: q42018exhibit992earnings023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>q42018exhibit992earnings024.jpg
    <TEXT>
    Document 28 - file: q42018exhibit992earnings024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>q42018exhibit992earnings025.jpg
    <TEXT>
    Document 29 - file: q42018exhibit992earnings025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>q42018exhibit992earnings026.jpg
    <TEXT>
    Document 30 - file: q42018exhibit992earnings026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>q42018exhibit992earnings027.jpg
    <TEXT>
    Document 31 - file: q42018exhibit992earnings027.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>