    <SEC-DOCUMENT>0001193125-20-041415-index.html : 20200219
    <SEC-HEADER>0001193125-20-041415.hdr.sgml : 20200219
    <ACCEPTANCE-DATETIME>20200219090111
    ACCESSION NUMBER:		0001193125-20-041415
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		50
    CONFORMED PERIOD OF REPORT:	20200402
    FILED AS OF DATE:		20200219
    DATE AS OF CHANGE:		20200219
    EFFECTIVENESS DATE:		20200219

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CIENA CORP
    		CENTRAL INDEX KEY:			0000936395
    		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
    		IRS NUMBER:				232725311
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1031

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36250
    		FILM NUMBER:		20627724

    	BUSINESS ADDRESS:
    		STREET 1:		7035 RIDGE ROAD
    		CITY:			HANOVER
    		STATE:			MD
    		ZIP:			21076
    		BUSINESS PHONE:		4108658500

    	MAIL ADDRESS:
    		STREET 1:		7035 RIDGE ROAD
    		CITY:			HANOVER
    		STATE:			MD
    		ZIP:			21076
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d682158ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d682158ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g682158g02f64.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g682158g02f64.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g682158g02q35.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g682158g02q35.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g682158g07a33.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g682158g07a33.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g682158g12d29.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g682158g12d29.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g682158g15m33.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g682158g15m33.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g682158g16f92.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g682158g16f92.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g682158g16h55.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g682158g16h55.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g682158g18a43.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g682158g18a43.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g682158g25d95.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g682158g25d95.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g682158g25m77.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g682158g25m77.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g682158g26t78.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g682158g26t78.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g682158g29k16.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g682158g29k16.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g682158g32h85.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g682158g32h85.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g682158g32y05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g682158g32y05.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g682158g33a15.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g682158g33a15.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g682158g41g82.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g682158g41g82.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g682158g41u64.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g682158g41u64.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g682158g42l55.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g682158g42l55.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g682158g42n97.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g682158g42n97.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g682158g42v73.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g682158g42v73.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>g682158g44q22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: g682158g44q22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>g682158g45v33.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: g682158g45v33.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>g682158g45x90.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: g682158g45x90.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>g682158g48d51.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: g682158g48d51.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>g682158g51e10.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: g682158g51e10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>g682158g55p13.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: g682158g55p13.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>g682158g56g81.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: g682158g56g81.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>g682158g59p73.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: g682158g59p73.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>g682158g67y52.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: g682158g67y52.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>g682158g68b34.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: g682158g68b34.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>g682158g68l50.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: g682158g68l50.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>g682158g68y54.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: g682158g68y54.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>g682158g74x95.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: g682158g74x95.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>g682158g76h74.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: g682158g76h74.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>g682158g77d25.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 36 - file: g682158g77d25.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>g682158g78d54.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 37 - file: g682158g78d54.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>g682158g78f14.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 38 - file: g682158g78f14.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>g682158g79h22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 39 - file: g682158g79h22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>g682158g80e21.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 40 - file: g682158g80e21.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>g682158g82m23.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 41 - file: g682158g82m23.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>g682158g82r79.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 42 - file: g682158g82r79.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>g682158g85r18.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 43 - file: g682158g85r18.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>g682158g85x61.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 44 - file: g682158g85x61.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>g682158g86z18.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 45 - file: g682158g86z18.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>g682158g87f98.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 46 - file: g682158g87f98.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>g682158g91r83.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 47 - file: g682158g91r83.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>48
    <FILENAME>g682158g92m11.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 48 - file: g682158g92m11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>49
    <FILENAME>g682158g93h55.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 49 - file: g682158g93h55.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>50
    <FILENAME>g682158g98k78.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 50 - file: g682158g98k78.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>