Document and Entity Information	0 Months Ended
Jan. 05, 2015
Risk/Return:
Document Type	497
Document Period End Date	Jan. 05, 2015
Registrant Name	RBB FUND INC
Central Index Key	0000831114
Amendment Flag	false
Document Creation Date	Jan. 05, 2015
Document Effective Date	Jan. 05, 2015
Prospectus Date	Dec. 31, 2014
Boston Partners Long/Short Equity Fund \| INSTITUTIONAL
Risk/Return:
Trading Symbol	BPLSX
WPG Partners Small/Micro Cap Value Fund \| INSTITUTIONAL
Risk/Return:
Trading Symbol	WPGTX
Boston Partners Global Long/Short Fund \| Institutional Class
Risk/Return:
Trading Symbol	BGLSX
SCHNEIDER SMALL CAP VALUE FUND \| SCHNEIDER SMALL CAP VALUE FUND
Risk/Return:
Trading Symbol	SCMVX

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The date the document was made available and submitted, in CCYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.

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The date when a document, upon receipt and acceptance, becomes officially effective, in CCYY-MM-DD format. Usually it is a system-assigned date time value, but it may be declared by the submitter in some cases.

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The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word "Other".

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

The date of the prospectus.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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