    <SEC-DOCUMENT>0001213809-20-000020-index.html : 20200512
    <SEC-HEADER>0001213809-20-000020.hdr.sgml : 20200512
    <ACCEPTANCE-DATETIME>20200512172923
    ACCESSION NUMBER:		0001213809-20-000020
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		6
    FILED AS OF DATE:		20200512
    DATE AS OF CHANGE:		20200512
    EFFECTIVENESS DATE:		20200512

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			DYADIC INTERNATIONAL INC
    		CENTRAL INDEX KEY:			0001213809
    		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
    		IRS NUMBER:				450486747
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-32513
    		FILM NUMBER:		20870253

    	BUSINESS ADDRESS:
    		STREET 1:		140 INTRACOASTAL POINTE DRIVE
    		STREET 2:		SUITE 404
    		CITY:			JUPITER
    		STATE:			FL
    		ZIP:			33477
    		BUSINESS PHONE:		561-743-8333

    	MAIL ADDRESS:
    		STREET 1:		140 INTRACOASTAL POINTE DRIVE
    		STREET 2:		SUITE 404
    		CITY:			JUPITER
    		STATE:			FL
    		ZIP:			33477

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CCP WORLDWIDE INC
    		DATE OF NAME CHANGE:	20030110
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>a2020proxynotice.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: a2020proxynotice.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>a00011.jpg
    <TEXT>
    Document 2 - file: a00011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>a00021.jpg
    <TEXT>
    Document 3 - file: a00021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>a00031.jpg
    <TEXT>
    Document 4 - file: a00031.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>a00041.jpg
    <TEXT>
    Document 5 - file: a00041.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>dyadiclogoa051.jpg
    <TEXT>
    Document 6 - file: dyadiclogoa051.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>