Exhibit 23.1

MANTYLA MCREYNOLDS LLC

178 South Rio Grande Street, Suite 200

Salt Lake City, Utah  84101

Telephone:  801.269.1818

Facsimile:  801.266.3481

The Board of Directors of

Voyager Oil & Gas, Inc.:

We hereby consent to the incorporation by reference in this Post-effective Amendment to Registration Statement on Form S-3 (No. 333-172210) of Voyager Oil & Gas, Inc. covering the registration of 18,750,000 shares of common stock, including 6,250,000 shares issuable upon the exercise of warrants, of our report dated March 14, 2011, with respect to the consolidated balance sheets of Voyager Oil & Gas, Inc. as of December 31, 2010 and 2009, and the related consolidated statements of operations, stockholders’ equity and cash flows for each of the years ended December 31, 2010 and 2009 and for the period from inception on April 18, 2008, through December 31, 2008, and the effectiveness of internal controls over financial reporting as of December 31, 2010, which reports appear in the December 31, 2010 annual report on Form 10-K of Voyager Oil & Gas, Inc.  We also consent to the use of our name as experts in such Registration Statement.

/s/ Mantyla McReynolds LLC

Salt Lake City, Utah

June 3, 2011