Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration StatementNos. 333-117811,333-127876 and333-137332, of MannKind Corporation onForm S-8 of our report (which report expresses an unqualified opinion and includes an explanatory paragraph regarding a change in the manner in which MannKind Corporation accounts for share-based compensation in 2006) dated March 15, 2007, relating to the financial statements of MannKind Corporation and of our report dated March 15, 2007, relating to management’s report on the effectiveness of internal control over financial reporting, appearing in the Annual Report onForm 10-K of MannKind Corporation for the year ended December 31, 2006.
/s/ Deloitte & Touche LLP
Los Angeles, California
March 15, 2007
103