EXHIBIT 23.1



CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM



We consent to the incorporation by reference in the following registration statements of Radio One, Inc. of our report dated March 8, 2005,
with respect to the consolidated financial statements and schedule of Radio One, Inc., Radio One, Inc. managements assessment of the internal control over financial reporting, and the effectiveness of internal control over financial reporting
of Radio One, Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2004.



Registration Statements on Form S-3



|            |  |                 
|----------- |  | ----------------
|File Number |  | Date Filed      
|333-47762   |  | October 11, 2000
|333-58436   |  | April 6, 2001   
|333-81622   |  | January 29, 2002



Registration Statements on Form S-8



|                                                                                                                                                                                                                                       |  |             |  |                  
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ----------- |  | -----------------
|Name                                                                                                                                                                                                                                   |  | File Number |  | Date Filed       
|1999 Stock Option and Restricted Stock Plan                                                                                                                                                                                            |  | 333-78123   |  | May 10, 1999     
|1999 Stock Option and Restricted Stock Plan                                                                                                                                                                                            |  | 333-42342   |  | July 27, 2000    
|1999 Stock Option and Restricted Stock Plan                                                                                                                                                                                            |  | 333-62718   |  | June 11, 2001    
|1999 Stock Option and Restricted Stock Plan                                                                                                                                                                                            |  | 333-100711  |  | October 24, 2002 
|Amended and Restated 1999 Stock Option and Restricted Stock Plan                                                                                                                                                                       |  | 333-116805  |  | June 24, 2004    
|Amended and Restated Employment Agreement Between Radio One, Inc. and Scott R. Royster dated October 18, 2000 and Amended and Restated
Employment Agreement Between Radio One, Inc. and Linda J. Eckard Vilardo dated October 31, 2000 |  | 333-121726  |  | December 29, 2004



Registration Statement on Form S-4



|            |  |              
|----------- |  | -------------
|File Number |  | Date Filed   
|333-65278   |  | July 17, 2001



/s/ ERNST &
YOUNG LLP

McLean, Virginia

March 10, 2005