    <SEC-DOCUMENT>0001140361-21-009645-index.html : 20210323
    <SEC-HEADER>0001140361-21-009645.hdr.sgml : 20210323
    <ACCEPTANCE-DATETIME>20210323170527
    ACCESSION NUMBER:		0001140361-21-009645
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		5
    FILED AS OF DATE:		20210323
    DATE AS OF CHANGE:		20210323

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			RITCHIE BROS AUCTIONEERS INC
    		CENTRAL INDEX KEY:			0001046102
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			A6
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13425
    		FILM NUMBER:		21765507

    	BUSINESS ADDRESS:
    		STREET 1:		9500 GLENLYON PARKWAY
    		CITY:			BURNABY
    		STATE:			A1
    		ZIP:			V5J 0C6
    		BUSINESS PHONE:		7783315500

    	MAIL ADDRESS:
    		STREET 1:		9500 GLENLYON PARKWAY
    		CITY:			BURNABY
    		STATE:			A1
    		ZIP:			V5J 0C6
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>nc10018065x2_defa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: nc10018065x2_defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>nc10018065x2_nc1.jpg
    <TEXT>
    Document 2 - file: nc10018065x2_nc1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>nc10018065x2_nc2.jpg
    <TEXT>
    Document 3 - file: nc10018065x2_nc2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>nc10018065x2_nc3.jpg
    <TEXT>
    Document 4 - file: nc10018065x2_nc3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>nc10018065x2_nc4.jpg
    <TEXT>
    Document 5 - file: nc10018065x2_nc4.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>