-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 AvKffsWx+lHmSRI1iLjZLBsYybN5H85f0/U6Cc+07yS5nYuOGobhs4VRfrUkhm5I
 I2N9VWjJhL1VqIn2e8oXoQ==

<SEC-DOCUMENT>0000918581-05-000001.txt : 20050106
<SEC-HEADER>0000918581-05-000001.hdr.sgml : 20050106
<ACCEPTANCE-DATETIME>20050106153850
ACCESSION NUMBER:		0000918581-05-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050105
FILED AS OF DATE:		20050106
DATE AS OF CHANGE:		20050106

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CIBER INC
		CENTRAL INDEX KEY:			0000918581
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		IRS NUMBER:				382046833
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5251 DTC PKYWAY
		STREET 2:		STE 1400
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80111-2742
		BUSINESS PHONE:		3032200100

	MAIL ADDRESS:	
		STREET 1:		5251 DTC PKWY
		STREET 2:		STE 1400
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80111-2742

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STEVENSON BOBBY G
		CENTRAL INDEX KEY:			0001040201

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13103
		FILM NUMBER:		05515713

	BUSINESS ADDRESS:	
		STREET 1:		5251 DTC PARKWAY STE 1400
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80111
		BUSINESS PHONE:		3032200100

	MAIL ADDRESS:	
		STREET 1:		370 SEVENTEENTH ST #4700
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-01-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000918581</issuerCik>
        <issuerName>CIBER INC</issuerName>
        <issuerTradingSymbol>cbr</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001040201</rptOwnerCik>
            <rptOwnerName>STEVENSON BOBBY G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5251 DTC PARKWAY, SUITE 1400</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GREENWOOD VILLAGE</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.01 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2005-01-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.2525</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6800178</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $.01 par value</value>
                <footnoteId id="F2"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>55000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by Trust</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Planned sale pursuant to 10b5-1 plan dated May 1, 2002, effective June 15, 2002 through June 15, 2005.  Amended November 3, 2003.</footnote>
        <footnote id="F2">First Stevenson Charitable Remainder Uni Trust Dated November 15, 1993.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Bobby G. Stevenson</signatureName>
        <signatureDate>2005-01-06</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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